| Collector Specimen Matches |
| US |
| Michigan |
| 20 "Yooperlites" Fluorescent Sodalite Lake Superior Rocks UP of Michigan - , MI US |
| 2 oz. Copper, Kearsarge Mine, Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale & Thompsonite 21+ Carats - , MI US |
| SWEET 9+ CT CHLORASTROLITE-GREENSTONE: CENTRAL EXPLORATION MINE, MICHIGAN: NR! - , MI US |
| 3.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 7.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2 lbs. - , MI US |
| PREHNITE,MESOLITE NEEDLES,SEDAR BAY,KEWEENAW CO.MICHIGAN,OUT OF LAKE SUPERIOR - , MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| 3.6" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| CRYSTAL SILVER NUGGET: COPPER RANGE MINES, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| 1" NATIVE COPPER Cube Keweenaw Peninsula Michigan Natural - , MI US |
| OCL - MICHIGAN NATIVE COPPER IN MATRIX CLOCK - 3.08 LBS. - , Mi US |
| NATIVE COPPER & SILVER: CENTENNIAL MINE, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| Chlorastrolite Greenstone Michigan Gem Large Stone 3+ carats 400 grit - , Mi US |
| COPPER & SILVER NUGGET GROUP: CALUMET & HECLA MINES, HOUGHTON CO, MICHIGAN - NR! - Calumet, MI US |
| Chlorastrolite Greenstone Michigan Gem Large Stone 23+ carats 600 grit - , Mi US |
| DATOLITE on CALCITE CRYSTALS,DELAWARE COPPER MINE,KEWEENAW CO.MICHIGAN - Delaware, MI US |
| 4 1/2” Tumbled Native Glacial Michigan Float Copper Nugget Specimen 1 LB 5.2 OZ - , MI US |
| Rare OLD snowflake Mohawkite - domeykite in quartz - Keweenaw Peninsula Michigan - Mohawk, MI US |
| Copper & Silver Half-breed, Cliff Mine, Keweenaw County, Michigan - , MI US |
| Chunk of Mohawkite Copper Mineral from the Mohawk Mine, Keweenaw Co, Michigan - Mohawk, MI US |
| CHAMOSITE PSEUDOMORPH AFTER GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| 2 THOMPSONITE MI Copper Country unknown mine MichiganI - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Copper Mineral Display Specimen Collected from Michigan USA - , MI US |
| 1 LB Lot of 18 Native Michigan Copper Nugget Keweenaw Peninsula 465 Grams - , MI US |
| SWEET CRYSTAL SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Lot of 19 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , MI US |
| 5.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.2 lbs. - , MI US |
| SWEET CRYSTAL SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| DATOLITE,COPPER,EPIDOTE,BASALT,C&H # 21 COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| PETOSKEY STONES / AGATIZED CORAL LOT 4 3/4 POUNDS MICHIGAN - Petoskey, MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Quartz xl group from Kearsarge Mine, Kearsarge, Houghton County, Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 7 Stones 38+ carats 600 grit - , MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| 4 oz. Copper, Kearsarge Mine, Michigan - , MI US |
| DATOLITE,WEBBED COPPER,EPIDOTE,C&H # 21 COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| Lot of 3 Michigan Puddingstone Rocks. - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| Native Copper..Michigan - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Chlorastrolite Greenstone Michigan Gem 7 Large Stones 10 Grams 400 grit - , MI US |
| 1" NATIVE COPPER Cube Keweenaw Peninsula Michigan Natural - , MI US |
| Chlorastrolite Greenstone Michigan Gem 5 Large Cabochons need repairs - , MI US |
| DATOLITE & COPPER IN BASALT MATRIX ,QUINCY COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| FINE 3.0 CM COPPER INCLUDED DATOLITE: LAKE SUPERIOR DISTRICT, MICHIGAN - NR! - , MI US |
| SWEET 12 CT CHLORASTROLITE-GREENSTONE: CENTRAL EXPLORATION MINE, MICHIGAN: NR! - , MI US |
| CHOICE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC CO., MICHIGAN - NR! - , Mi US |
| 1" NATIVE COPPER Cube Keweenaw Peninsula Michigan Natural - , MI US |
| Chlorastrolite Greenstone Michigan Gem Large Stone 16+ carats 400 grit - , Mi US |
| COPPER & SILVER NUGGET: CALUMET & HECLA MINES, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , Mi US |
| SUPER SHARP SELENITE CRYSTALS BRISTOL MINE MICHIGAN - Crystal Falls, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale & Thompsonite Cabochon - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| OCL - RARE MICHIGAN MOHAWKITE SPECIMEN - AHMEEK COPPER MINE - 1 PC - 1.24 lbs. - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 23+ carats 600 grit - , MI US |
| DATOLITE Michigan unknown Copper Mine Keweenaw MI - , MI US |
| NATIVE SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN NR! - Ontonagon, MI US |
| Michigan Native copper 3lb 11.2oz - , MI US |
| 4 1/8” Tumbled Native Glacial Michigan Float Copper Nugget Specimen 11.6 Oz - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Michigan Native Copper 5lb 11.1oz. 5"X3.5"X4" - , MI US |
| NATIVE COPPER & SILVER W/A STORY TO TELL: CLIFF MINE, KEWEENAW CO., MICHIGAN NR! - , MI US |
| COPPER, CALCITE, EPIDOTE, ADULARIA: MINESOTA MINE, ONTONAGON CO., MICHIGAN - NR! - Ontonagon, MI US |
| Lot of 17 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , MI US |
| 4.6" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , MI US |
| 4+ POUNDS 72 Michigan Petoskey Stones Unpolished Art Craft Lot Box Hexagonaria - Petoskey, MI US |
| 1/2 lb. - 14 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP Michigan - , MI US |
| 29 mm (1.15") NATIVE COPPER Egg Sphere Keweenaw Peninsula, Michigan Natural - , MI US |
| Large Leland Blue Stone Lake Michigan Slag Glass Leelanau Peninsula - Traverse City, MI US |
| 4.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , MI US |
| 6.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.2 lbs. - , MI US |
| Large Datolite Keweenaw County Michigan 3.3 ounces - , MI US |
| 29 mm (1.15") NATIVE COPPER Egg Sphere Keweenaw Peninsula, Michigan Natural - , MI US |
| 3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Lot of 3 Michigan Puddingstone Rocks. - , MI US |
| 40 MM SOLID NATIVE COPPER SPHERE KEWEENAW PENINSULA MICHIGAN 290 GRAMS - , MI US |
| Banded Iron Formation BIF from Michigan Iron Range ~ 1/2 pound 228 grams - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| SUPERB RARE Native Copper "Pipe Amygdules" in Basalt COPPER FALLS, MICHIGAN - , MI US |
| 3.6" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Chlorastrolite (Isle Royale Greenstone): Green Turtleback Pattern; 2cts Michigan - , MI US |
| Copper & Silver Half-breed, Cliff Mine, Keweenaw County, Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Isle Royale 7 Stones 51 + carats 400 grit - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Beautiful COPPER specimen * Keweenaw Peninsula * Michigan - , Mi US |
| U.P.Michigan float copper specimen nugget cop 3= 3 lbs.6 ozs. - , MI US |
| Solid Copper Michigan Display Piece 5 Pounds - , Mi US |
| CONGLOMERATE NATIVE SILVER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN - NR! - Calumet, MI US |
| Fossil fish/placoderm - Protitanichthys sp. from Michigan - , Mi US |
| CONGLOMERATE SILVER & COPPER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN - NR! - Calumet, MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| Rare OLD snowflake Mohawkite - domeykite in quartz - Keweenaw Peninsula Michigan - Mohawk, MI US |
| 50 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , MI US |
| SILVER & COPPER NUGGET: MOHAWK MINE, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 15+ carats 600 grit - , MI US |
| Chlorastrolite michigan greenstone keweenaw 17 stones - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Michigan native copper 5 lbs 7.2 Oz - , MI US |
| Attractive Copper Crystals, Keweenaw Peninsula, Michigan 0.9 pounds 8" X 7" - , MI US |
| SWEET SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| PUDDING STONE MICHIGAN 7 LB 7.7 OZ - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| COOL CRYSTAL SILVER & CALCITE: WHITE PINE MINE, ONTONAGON CO., MICHIGAN - NR! - Ontonagon, MI US |
| Glacial Float Copper Harbor Specimen UP Michigan USA 35 Ounces Keweenaw - , MI US |
| JEWELRY GRADE CRYSTAL COPPER in PREHNITE: CENTRAL EXPLORATION MINE, MICHIGAN-NR! - , MI US |
| 3+ POUNDS 70 Michigan Petoskey Stones Unpolished Art Craft Lot Box Hexagonaria - Petoskey, MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| 3.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| DATOLITE PAIR SUPERIOR COPPER MINE KEWEENAW MICHIGAN MI - Superior, MI US |
| Celestite Crystal Scofield, Michigan Old Find - , MI US |
| Chlorastrolite Greenstone Michigan Gem Large Stones 76.12 Grams Total - , MI US |
| Analcime Phoenix Mine near Eagle Harbor, Keweenaw County, Michigan 903022 - , MI US |
| MINERALS : NATIVE COPPER ON ALL SIDES FROM MICHIGAN, USA - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| 5.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.5 lbs. - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 18+ carat 600 grit - , MI US |
| U.P.Michigan float copper specimen nugget cop 5= 23 lbs. - , MI US |
| Natural Copper Ore Specimen - 597 grams - Native Michigan High Grade Nugget - , MI US |
| RARE SILVER SPHERE IN LAKE SUPERIOR AGATE,SEDAR BAY,KEWEENAW CO.MICHIGAN - , MI US |
| Large 2.0lb Copper Tumbled Nugget. Natural Native Copper from Keweenaw Michigan - , MI US |
| Michigan Sharp Copper Crystal - Keweenaw County Michigan Display Specimen - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| FLOAT COPPER KEWEENAU MICHIGAN 10.4 pound LOT - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| 4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.3 lbs. - , Mi US |
| TWO Rare Polished Michigan Greenstones(Chlorastrolite) - , MI US |
| Michigan Greenstone Chlorastrolite Pumpellyite Isle Royale 2 ounce tumbled lot - , Mi US |
| COPPER & SILVER NUGGET: CALUMET & HECLA MINES, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| Isle Royale Greenstone, Michigan, 4.55 ct, approx. 14mm x 10mm, ring or pendant - , Mi US |
| SILVER & COPPER NUGGET: CALUMET & HECLA MINES, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| CHAMOSITE PSEUDOMORPH AFTER GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| 3 oz. Mohawkite, Mohawk Mine, Michigan - Mohawk, MI US |
| 4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.8 lbs. - , MI US |
| Glacial Mohawkite Specimen UP Michigan USA 13.9 Ounces Keweenaw - Mohawk, MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| SUPERB CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| CRYSTAL SILVER NUGGET: COPPER RANGE MINES, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| 2 SMALL FLOAT COPPER SPECIMENS,HOUGHTON CO.MICHIGAN,with MALACHITE - , MI US |
| COOL CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| CELLED DATOLITE & COPPER,EPIDOTE QUINCY COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| Copper Sphere Michigan 118 grams Nice Display - , MI US |
| SWEET DENDRITIC NATIVE SILVER: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| 4.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.1 lbs. - , MI US |
| vintage 24KT GOLD ORE & NUGGETS Ropes Gold Mine Michigan Ropes Gold & Silver Co. - , MI US |
| Copper Wire on Prehnite Osceola Mine Michigan - Osceola, MI US |
| 18 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , MI US |
| MINERALS : CRYSTALLIZED NATIVE COPPER WITH EMBEDDED MATRIX FROM MICHIGAN, USA - , MI US |
| NATIVE SILVER CRYSTAL MICHIGAN CLIFF COPPER MINE MINING - Phoenix, MI US |
| NATIVE COPPER, EPIDOTE & CALCITE: MENDOTA MINE, BETE GRISE, MICHIGAN, USA - NR! - , MI US |
| CLASSIC Copper included Calcite Crystal KEWEENAW, MICHIGAN -Ex. Cranbrook Inst - , MI US |
| 4.9" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| MINERALS : BLUE CHALCANTHITE CRYSTALS FROM MICHIGAN, USA - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 20+ carats 600 grit - , MI US |
| Michigan Clomerite in Quartz Pudding Stone. Exquisite Gems bursting out!. 4lbs - , MI US |
| 3.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| RICH CONGLOMERATE COPPER SLAB: KINGSTON MINE, KEWEENAW CO., MICHIGAN, USA - NR! - , MI US |
| NATIVE COPPER, EPIDOTE & CALCITE: MENDOTA MINE, BETE GRISE, MICHIGAN, USA - NR! - , MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Native Copper (Almost) 3 lb. Specimen From Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem smaller Stones 40+ carats 400 grit - , MI US |
| Melilite Crystal Micromount Mineral Specimen *Houghton, Michigan* - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| NATIVE COPPER & SILVER: CENTENNIAL MINE, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| CRYSTAL SILVER NUGGET: COPPER RANGE MINES, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , Mi US |
| 3.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Michigan Native Vein Copper Chisel Chips Michigan Mining Specimen - , Mi US |
| Calumet Michigan Mining Copper Ashtray Keweenaw Peninsula souvenir - Calumet, MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , Mi US |
| COPPER REPLACEMENT AGATE,CALUMET&HECLA #21 COPPER MINE,HOUGHTON CO.MICHIGAN - Calumet, MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| 7 oz. Mohawkite, Mohawk Mine, Michigan - Mohawk, MI US |
| NATIVE COPPER FLOAT KEWEENAW PENINSULA MICHIGAN 750 GRAMS - , MI US |
| RARE MOHAWKITE NUGGET FROM MICHIGAN USA - 200GRAMS. 2.5"×1.5" - Mohawk, MI US |
| Michigan native copper Crystal 48.46g - , MI US |
| Blue CELESTINE XLS (aka Celestite) ~ Newport, Michigan - Newport, MI US |
| SWEET 8.5 CT CHLORASTROLITE-GREENSTONE: CENTRAL EXPLORATION MINE, MICHIGAN: NR! - , MI US |
| AMAZING Native Copper Crystal with Quartz CENTENNIAL MINE MICHIGAN -Ex Polityka - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| 3.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.4 lbs. - , MI US |
| LARGE CONGLOMERATE COPPER SLAB: KINGSTON MINE, KEWEENAW CO., MICHIGAN, USA - NR! - , MI US |
| SWEET CRYSTAL SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| NICE 6.5 CT CHLORASTROLITE-GREENSTONE: CENTRAL EXPLORATION MINE, MICHIGAN: NR! - , MI US |
| EXTRAORDINARY Native Copper Crystal Cluster AHMEEK MINE, MICHIGAN - , MI US |
| COOL CRYSTAL SILVER & CALCITE: WHITE PINE MINE, ONTONAGON CO., MICHIGAN - NR! - Ontonagon, MI US |
| 3 PHEONIX MINE NATIVE COPPER CHISEL STRIPS KEWEENAW PENINSULA MICHIGAN 85 GRAMS - , MI US |
| 3.41 Oz. Native Vein Copper Nugget from Michigan's Quincy Mine! RE1569 - , MI US |
| Michigan Stones, Rocks, Leland blue, Slag, Beach Glass, Fossils, Petoskey Stones - Petoskey, MI US |
| 15 CARATS 2 CHLORASTROLITE ISLE ROYALE MICHIGAN GREENSTONE CABOCHON GEM STONES - , MI US |
| 3.6" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 7 Stones 15+ carats 600 grit - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| 3.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.1 lbs. - , MI US |
| SWEET 3.0 CM CUPRITE INCLUDED DATOLITE: LAKE SUPERIOR DISTRICT, MICHIGAN - NR! - , MI US |
| Fossil crinoid - Dolatocrinus barrisi from Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 5 Stones 47 carats 600 grit - , MI US |
| Chlorastrolite Greenstone Michigan Gem Large Stone 16+ carats 400 grit - , MI US |
| Chlorastrolite Michigan Greenstone Cab. - , MI US |
| 19 Bright "Yooperlites" Fluorescent Sodilite Rocks From the UP of Michigan 6.4oz - , MI US |
| 4 PHEONIX MINE NATIVE COPPER CHISEL STRIPS KEWEENAW PENINSULA MICHIGAN 105 GRAMS - , MI US |
| Native Natural Copper Michigan Nuggets LOT Mineral ROCK Metal Gift Set Gemstone - , Mi US |
| COOL 3.2 CT CHLORASTROLITE-GREENSTONE: ISLE ROYALE NATIONAL PARK, MICHIGAN - NR! - , MI US |
| 100 Small "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , Mi US |
| Lot of 9 Michigan Native Copper cleaned Houghton Keweenaw Calumet Phoenix - Calumet, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Stone 20+ carats 600 grit - , Mi US |
| Calumet Michigan Mining Copper Ashtray Keweenaw Peninsula Souvenir fiery RED - Calumet, MI US |
| 4.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.7 lbs. - , MI US |
| 4 oz. Mohawkite, Mohawk Mine, Michigan - Mohawk, MI US |
| Fossil cephalopod - Bactrites warthini plus more from Michigan - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| 5.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.5 lbs. - , MI US |
| Celestite, Newport, Michigan - Newport, MI US |
| 4.9" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.1 lbs. - , MI US |
| Specular Hematite Natural Banded Red Silver Michigan BIF 12lbs 3oz {Y35GJ} - , MI US |
| SWEET DENDRITIC CRYSTAL SILVER: WHITE PINE MINE, ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| SUPERB LARGE Reddish Orange Datolite Nodule QUINCY MINE, MICHIGAN - Ex Lemanski - , MI US |
| JEWELRY GRADE CRYSTAL COPPER in PREHNITE: CENTRAL EXPLORATION MINE, MICHIGAN-NR! - , MI US |
| SILVER, CHALCOCITE & CALCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| 2 oz Copper, Quincy Mine, Michigan - , MI US |
| COOL CRYSTAL SILVER PAIR: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN, USA - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 12.9 carat 600 grit - , MI US |
| 6.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.8 lbs. - , MI US |
| HEART Shaped Polished Petoskey Stone Gloss Hexagonaria Coral Fossil Michigan - Petoskey, MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| UNIQUE Copper included Adularia Crystal Cluster ADVENTURE MINE, MICHIGAN - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 7 Stones 18+ carats 600 grit - , MI US |
| 3.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 8 Stones 16+ carats 600 grit - , MI US |
| 29 mm (1.15") NATIVE COPPER Egg Sphere Keweenaw Peninsula, Michigan Natural - , MI US |
| NATIVE COPPER, EPIDOTE & CALCITE: MENDOTA MINE, BETE GRISE, MICHIGAN, USA - NR! - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Melilite Crystals in Capsule Micromount Mineral Specimen *Houghton, Michigan* - , MI US |
| COPPER SULFATE CRYSTAL FROM THE WHITE PINE MINE TANK HOUSE IN UPPER MICHIGAN - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 5 Stones 48 carats 600 grit - , MI US |
| Chlorastrolite Greenstone Michigan Gem smaller Stones 30+ carats 400 grit - , MI US |
| NATIVE COPPER, EPIDOTE & CALCITE: MENDOTA MINE, BETE GRISE, MICHIGAN, USA - NR! - , MI US |
| PHEONIX MINE NATIVE COPPER CHISEL STRIPS KEWEENAW PENINSULA MICHIGAN 95 GRAMS - , MI US |
| 2.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Native Natural Copper Michigan Nuggets LOT Mineral ROCK Metal Gift Set Gemstone - , MI US |
| 2.7" NATURAL ROUGH SPECULAR HEMATITE STONE MINERAL FROM MICHIGAN, USA 113.5grams - , Mi US |
| PAIR OF COPPER REPLACEMENT AGATES,C&H # 21 MINE,HOUGHTON CO.MICHIGAN - Calumet, MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , Mi US |
| VERY COOL CONGLOMERATE SILVER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN-NR! - Calumet, MI US |
| Fossil crinoid - Euryocrinus barrisi from Michigan - , Mi US |
| SUPERB GROUP 45 SILVER-COPPER NUGGETS: MOHAWK MINE, KEWEENAW CO., MICHIGAN - NR! - Mohawk, MI US |
| Fordite Pendant necklace - Detroit MIchigan - , MI US |
| MOHAWKITE & MATRIX JEWELRY GRADE END SLAB: MOHAWK MINE, KEWEENAW, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 13+ carats 600 grit - , MI US |
| SUPER SHARP COPPER CRYSTAL GROUP Bohemia Mine Michigan - Mount Bohemia, MI US |
| COOL 3.3 CM PORCELAIN DATOLITE BEAUTY: LAKE SUPERIOR DISTRICT, MICHIGAN - NR! - , MI US |
| Early 1900s Native Copper Michigan Mine U.S.A. - , MI US |
| SILVER, CHALCOCITE & CALCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| COPPER crystals * Keweenaw Peninsula * Michigan - , MI US |
| SWEET GROUP OF 20 LARGE DATOLITE NODULES: LAKE SUPERIOR DISTRICT, MICHIGAN - NR! - , MI US |
| SWEET CRYSTAL SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| COPPER BANDED AGATE MATCHED PAIR: WOLVERINE #2 MINE, KEWEENAW CO, MICHIGAN - NR! - , MI US |
| Native float Copper Ore Mineral Specimen Michigan USA 6lbs 5oz’s. - , MI US |
| EPIDOTE and ADULARIA: MASS MINE, MASS CITY, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 12.+carat 600 grit - , MI US |
| Native Natural Copper Michigan 14mm SPHERE Mineral Metal ENERGY Gemstone MARBLE - , MI US |
| HUGE Unpolished Petoskey Stone 13 1/4 Oz Hexagonaria Coral Fossil Michigan Rock - Petoskey, MI US |
| Polished Copper Pyramid Michigan 96 grams - , MI US |
| Large Tumbled Copper Nugget Natural Native Metal Ore Michigan Cu 6.9lbs - , MI US |
| CHOICE CHAMOSITE PSEUDOMORPH GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| 6.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2 lbs. - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 10 Stones 23 carats 600 grit - , MI US |
| NATURAL COPPER IN QUARTZ NUGGET DISPLAY SPECIMEN FROM MICHIGAN 67.79 GRAMS - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| Fossil fish/placoderm from Michigan - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Chlorastrolite Michigan Greenstone Cab - , MI US |
| Yellow and Mixed Color Datolite Lot - Various Mine- Michigan Mineral Specimen - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| SMALL NATIVE COPPER SPECIMENS KEWEENAW PENINSULA MICHIGAN 1 POUND - , MI US |
| OLD NATIVE COPPER SPECIMENS KEEWENAW PENINSULA UPPER MICHIGAN 1/2 POUND - , MI US |
| 100/ 4lbs. "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , Mi US |
| Millerite Needles in Geode 3g from Bayport Michigan. Tiny gold hairs in white xl - Bayport, MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , Mi US |
| CONGLOMERATE COPPER & SILVER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN - NR! - Calumet, MI US |
| Fossil crinoid - Cadiscocrinus southworthi from Michigan - , Mi US |
| Rare OLD snowflake Mohawkite - domeykite in quartz - Keweenaw Peninsula Michigan - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 7+ carats 600 grit - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| COPPER crystals * Keweenaw Peninsula * Michigan - , MI US |
| NICE SILVER & COPPER NUGGET: SENECA MINE, MOHAWK, KEWEENAW CO., MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 12 x 10mm Cabochon 4.1 carat - , MI US |
| 9.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.1 lbs. - , MI US |
| SUPERB CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| NATIVE COPPER & QUARTZ SLAB MICHIGAN MINERALS GEMS-MIN - , MI US |
| Michigan Float Copper / Mine Copper - , MI US |
| COOL CRYSTAL SILVER & CALCITE: WHITE PINE MINE, ONTONAGON CO., MICHIGAN - NR! - Ontonagon, MI US |
| SUPERB UNIQUE Native Copper Crystal KEWEENAW, MICHIGAN - Ex. Lemanski - , MI US |
| Native Copper Skull - Copper Country Michigan - Keweenaw - , MI US |
| 2 TRANSLUCENT DATOLITE,EPIDOTE,MINESOTA COPPER MINE,ONTONAGON CO.MICHIGAN - Ontonagon, MI US |
| Lot of 7 Mineralogical Record issues China-III Michigan Madagascar Morocco more - , MI US |
| SWEET GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC CO., MICHIGAN - NR! - , MI US |
| HUGE Unpolished Petoskey Stone Hexagonaria Coral Fossil Michigan Rock - Petoskey, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 29+ carats 600 grit - , MI US |
| Large Lapidary rough Kona Dolomite Michigan 5.9 lbs 48 - , MI US |
| Large Native Copper+Silver Specimen from Keweenaw County Michigan- 262 gr - , MI US |
| 4 3/4” Tumbled Native Glacial Michigan Float Copper Nugget Specimen 1 LB 9 OZ - , MI US |
| FLUORESCENT "YOOPERLITE": BEACHES OF THE KEWEENAW PENINSULA, MICHIGAN, USA - NR! - , MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| NATIVE COPPER in CALCITE: MENDOTA MINE, BETE GRISE, MICHIGAN, USA - NR! - , MI US |
| 5.6" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.7 lbs. - , MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 5 Stones 74 carats 600 grit - , MI US |
| 4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| EPIDOTE & CALCITE on BASALT: MENDOTA MINE, BETE GRISE, MICHIGAN, USA - NR! - , MI US |
| JEWELRY GRADE CRYSTAL COPPER in PREHNITE: CENTRAL EXPLORATION MINE, MICHIGAN-NR! - , MI US |
| 5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 5.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.7 lbs. - , MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 4.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , Mi US |
| datolite AHMEEK COPPER MINING CO KEWEENAW MICHIGAN MI - Ahmeek, MI US |
| 5.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , Mi US |
| CONGLOMERATE SILVER & COPPER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN - NR! - Calumet, MI US |
| RARE OLIVINE PALLASITE METEORITE FOUND MICHIGAN BILLIONS OF YEARS OLD! AMAZING!! - , Mi US |
| 4 oz. Mohawkite, Mohawk Mine, Michigan - Mohawk, MI US |
| 4.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| SILVER & COPPER NUGGET: SENECA MINE, MOHAWK, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| Fossil brachiopods - Cupularostrum sp. from Michigan - , MI US |
| SILVER & COPPER NUGGET: SENECA MINE, MOHAWK, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 18 x 8 mm Cabochon 3.8 Carats - , MI US |
| 6.6" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.7 lbs. - , MI US |
| SUPERB CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| 4 lbs. / 90 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP Michigan - , MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| SUPERB CRYSTAL SILVER & CALCITE: WHITE PINE MINE, ONTONAGON CO., MICHIGAN - NR! - Ontonagon, MI US |
| Polished Glacial Float Copper Specimen UP Michigan USA 19.6 Ounces Keweenaw - , MI US |
| 3.9" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| COOL CRYSTAL SILVER & CALCITE: WHITE PINE MINE, ONTONAGON CO., MICHIGAN - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 14.+carat 600 grit - , MI US |
| 4.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Huge Lot Of Michigan Petoskey Stones - Petoskey, MI US |
| COPPER BANDED AGATE MATCHED PAIR: WOLVERINE #2 MINE, KEWEENAW CO, MICHIGAN - NR! - , MI US |
| NATIVE COPPER & SILVER: CENTENNIAL MINE, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| 3.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| LAKE SUPERIOR AGATE,COPPER,TENORITE,CUPRITE,C&H 21 MINE,HOUGHTON CO.MICHIGAN - , MI US |
| UNIQUE NATIVE COPPER SPECIMEN– 4.75LBS. KEWEENAW PENINSULA, MICHIGAN - , MI US |
| Native Natural Copper Michigan Nuggets LOT Mineral ROCK Metal Gift Set Gemstone - , MI US |
| 1 10 x 12 mm Michigan greenstone, chlorastrolyte, beach pebble for jewelry - , MI US |
| CHOICE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC CO., MICHIGAN - NR! - , MI US |
| 100 / 3 Lbs."Yooperlite" Florescent Sodilite Lake Superior Rocks UP of Michigan - , MI US |
| Specular Hematite Natural Banded Red Silver Michigan BIF 7lbs 4oz {G1517BD} - , MI US |
| YELLOW DATOLITE,COPPER,HEMATITE,QUINCY COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| Datolite, Michigan - Lot of 35+ pcs - 130+ grams - , MI US |
| Yooperilte, very unique and rare. 417g, about 1lb stone found on Lake Michigan - , MI US |
| Native copper, Michigan - , MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| Copper NATIVE Crystals NATURAL ! CLASSIC ! , KEWEENAW, MICHIGAN - , Mi US |
| LARGE CHAMPION MINE NATIVE COPPER SPECIMEN PAINESDALE MICHIGAN 1 1/4 POUNDS - , MI US |
| QUINCY MINE NATIVE COPPER CHISEL STRIPS HOUGHTON COUNTY MICHIGAN 145 GRAMS - , Mi US |
| DATIOLITE,WEBBED COPPER,CALUMET&HECLA#21 COPPER MINE,HOUGHTON CO.MICHIGAN - Calumet, MI US |
| 20 Bright "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , Mi US |
| SUPERB GROUP 75+ SILVER-COPPER NUGGETS: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 7 Stones 21+ carats 600 grit - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 36+ carats 600 grit - , MI US |
| Rare OLD snowflake Mohawkite in quartz - Keweenaw Peninsula Michigan - Mohawk, MI US |
| 3.5oz. "Yooperlite" Fluorescent Sodilite Lake Superior Rock UP of Michigan - , MI US |
| Native Copper On Green Prehnite - Iroquois Mine, Keweenaw, Michigan - , MI US |
| TOP DOG DENDRITIC CRYSTAL SILVER: WHITE PINE MINE, ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| 3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| UNIQUE Cubic Native Copper Crystal PHOENIX MINE, MICHIGAN - , MI US |
| PAIR OF DATOLITE,EPIDOTE,RIDGE COPPER MINE,ONTONAGON CO.MICHIGAN - Ontonagon, MI US |
| RARE HOGANITE CRYSTALS ON COPPER,CENTENNIAL COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| Michigan Float Copper/ Mine Copper (No.4) - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| 4.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.4 lbs. - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| LARGE Petoskey Stone Polished Coral Fossil - Mystical 295g Hexagonaria Michigan - Petoskey, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 7 Stones 32+ carats 600 grit - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| 110 Mini "Yooperlites" Fluorescent Sodalite Lake Superior Rocks UP of Michigan - , MI US |
| EXTRAORDINARY Native Copper & Native Silver KEARSARGE LODE, MICHIGAN - , MI US |
| SWEET COPPER BANDED AGATE PAIR: WOLVERINE #2 MINE, KEWEENAW CO, MICHIGAN - NR! - , MI US |
| FLUORESCENT "YOOPERLITE": BEACHES OF THE KEWEENAW PENINSULA, MICHIGAN, USA - NR! - , MI US |
| Natural Copper Ore Specimen - 275 grams - Native Michigan High Grade Nugget - , MI US |
| JEWELRY GRADE CRYSTAL COPPER in PREHNITE: CENTRAL EXPLORATION MINE, MICHIGAN-NR! - , MI US |
| Natural Copper Ore Specimen - 130 grams - Native Michigan High Grade Nugget - , MI US |
| Unique crystalline copper formation, attached to Barite hoast rock, Michigan - , MI US |
| NICE 3.7 CT CHLORASTROLITE-GREENSTONE: CENTRAL EXPLORATION MINE, MICHIGAN: NR! - , MI US |
| 1 lb. Lot of 25 "Yooperlites" Florescent Sodilite Rocks From The UP of Michigan - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| Lake Superior Copper Banded Replacement Agate Michigan Mining 5 Piece Lot - , MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| UNIQUE Copper included Calcite Crystal Twin on Copper MICHIGAN -Ex. Montgomery - , MI US |
| COPPER BANDED AGATE MATCHED PAIR: WOLVERINE #2 MINE, KEWEENAW CO, MICHIGAN - NR! - , MI US |
| Chlorastrolite Greenstone Michigan Gem Large Stone 8+ carats 400 grit - , Mi US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Native Copper Display Size Mineral Specimen *Keweenaw Peninsula, Michigan* - , Mi US |
| SILVER & COPPER NUGGET: CALUMET & HECLA MINES, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| 3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , Mi US |
| SUPERB GROUP 24 SILVER-COPPER NUGGETS: MOHAWK MINE, KEWEENAW CO., MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale & Copper 12x10 Cabochon 4+ ct - , MI US |
| AESTHETIC NATIVE SILVER NUGGET: MOHAWK MINE, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| PHEONIX MINE NATIVE COPPER CHISEL STRIP KEWEENAW PENINSULA MICHIGAN 130 GRAMS - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 8 x 6 Cabochon - , MI US |
| Dendritic Native Copper from Smelter, Keewenaw Peninsula, Michigan 62 grams - , MI US |
| SUPERB CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 12 x 11 mm 4.7 Carats - , MI US |
| 6.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.7 lbs. - , MI US |
| 4 DIFFERENT DATOLITE FROM VARIOUS COPPER MINES,ONTONAGON CO.MICHIGAN - Ontonagon, MI US |
| Polished Copper Pyramid Michigan 97 grams - , MI US |
| Glacial Copper/Silver, so called "Halfbreed", Michigan, large and unusual - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Beautiful Pyrolusite Specimen from Michigan in Old Plastic Box- Estate Find - , MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand – Keweenaw Peninsula, Michigan - , MI US |
| Beautiful Large Michigan Petoskey Stone Polished 2.4 Pounds - Petoskey, MI US |
| 1/2 lb. -12 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP Michigan - , MI US |
| Native Copper On Green Prehnite - Iroquois Mine, Keweenaw, Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 19+ carats 600 grit - , MI US |
| UNIQUE LARGE Datolite Nodule with Native Copper CENTENNIAL MINE, MICHIGAN - , MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| Fossil Crinoid - Pithocrinus cooperi from Michigan - , MI US |
| CLASSIC Native Copper Crystal KEWEENAW, MICHIGAN -Ex. Arch Oboler - , MI US |
| Natural Copper Ore Specimen - 127 grams - Native Michigan High Grade Nugget - , MI US |
| Specular Hematite Natural Banded Red Silver Michigan BIF 8lbs 14oz {F8aR} - , MI US |
| Fossil Crinoid - Gennaeocrinus variabilis from Michigan - , MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| "Box 'O' Copper " Native Copper from Michigan 25 pcs - , MI US |
| 2 1/2” Native UP Michigan Copper Nugget Keweenaw Peninsula 3.2 OZ - , MI US |
| SWEET SILVER & COPPER NUGGET: CENTRAL MINE, KEWEENAW COUNTY, MICHIGAN, USA - NR! - , MI US |
| Isle Royale Greenstone, Michigan UP, 35 ct, 36 in lot, 1/4" to 1/2" - , MI US |
| Box 'O' Copper Native Copper from Keweenah Peninsula, Michigan 36 Pc. - , MI US |
| Specular Hematite Natural Banded Red Silver Michigan BIF 5lbs 10oz {G35JK} - , Mi US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| 100 "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan 3.8ibs - , Mi US |
| CONGLOMERATE NATIVE SILVER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN - NR! - Calumet, MI US |
| 4 1/2” Native Glacial Michigan Float Copper Nugget Specimen 1 LB 14 OZ - , Mi US |
| SWEET GROUP OF 20 SILVER NUGGETS: MOHAWK MINE, KEWEENAW CO., MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 29+ carats 600 grit - , MI US |
| SILVER & COPPER NUGGET: SENECA MINE, MOHAWK, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| PREHNITE,COPPER REPLACEMENT AGATE.WOLVERINE#2 COPPER MINE,HOUGHTON CO.MICHIGAN - , MI US |
| AESTHETIC NATIVE SILVER NUGGET: MOHAWK MINE, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 20 x 14 mm 7.3 Carats - , MI US |
| Copper Sphere Michigan 124 grams Nice Display - , MI US |
| COOL CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 14 x 10 mm 4.8 Carats - , MI US |
| Michigan Float Copper/ Mine Copper - , MI US |
| CRYSTAL SILVER CALCITE & CHALCOCITE: WHITE PINE MINE, ONTONAGON CO, MICHIGAN-NR! - Ontonagon, MI US |
| Old COPPER specimen * Keweenaw Peninsula * Michigan - , MI US |
| Large Semi-fossil Mandible. Probably Michigan Clay Deposits. Bought as deer - , MI US |
| SILVER, CHALCOCITE & CALCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 9.4 carats 600 grit - , MI US |
| NATIVE COPPER – KEWEENAW PENINSULA, MICHIGAN – 5.75 LBS. - , MI US |
| Unpolished Beautiful Michigan Petoskey Stone 10.5 - Petoskey, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 7 Stones 20+ carats 600 grit - , MI US |
| Native Natural Copper Michigan 14mm SPHERE Mineral Metal ENERGY Gemstone MARBLE - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale & Copper 48+ carat 600 grit - , MI US |
| 29 mm (1.15") NATIVE COPPER Egg Sphere Keweenaw Peninsula, Michigan Natural - , MI US |
| 40mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| COPPER BANDED AGATE MATCHED PAIR: WOLVERINE #2 MINE, KEWEENAW CO, MICHIGAN - NR! - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| 3.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.4 lbs. - , MI US |
| Fossil ammonite/goniatite - Koenenites cooperi from Michigan - , MI US |
| 3.2" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1 lb. - , MI US |
| SUPERB Native Gold Crystal MICHIGAN BLUFF, CALIFORNIA - Ex. Mushlitz - , MI US |
| Chlorastrolite Greenstone Michigan Isle Royale 14 Individual Stones - 1 Large - , MI US |
| Chlorastrolite (Isle Royale Greenstone): Green Turtleback Pattern; 3cts Michigan - , MI US |
| 9.05 CT CHLORASTROLITE-GREENSTONE: CENTRAL EXPLORATION MINE, MICHIGAN: NR! - , MI US |
| Large Polished Specular Hemiatite Michigan Mineral Crystal Stone 11.5 inchss - , MI US |
| NATIVE COPPER & SILVER: CENTENNIAL MINE, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| 3lbs.Bright "Yooperlites Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , Mi US |
| 3.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 4.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , Mi US |
| SILVER & COPPER NUGGET: CALUMET & HECLA MINES, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| Large Native copper chisel chip - Central Mine, Michigan Mining History Specimen - , Mi US |
| DATOLITE MEDORA COPPER MINE KEWEENAW MICHIGAN - Mandan, MI US |
| EXCEPTIONAL Calcite & Native Copper Crystal with Prehnite COPPER FALLS, MICHIGAN - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| 3.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.1 lbs. - , MI US |
| 7.5 GRAM NATIVE SILVER NUGGET: MOHAWK MINE, KEWEENAW COUNTY, MICHIGAN - NR! - Mohawk, MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| Lapidary Rough Pudding Stone Rock Michigan 2lb 15oz. Approx. 5 x 4-1/2 x 3-1/4 - , MI US |
| NATIVE SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN NR! - Ontonagon, MI US |
| SUPERB Native Copper Crystal QUINCY MINE, MICHIGAN - Ex. Nowakowski - , MI US |
| NATIVE COPPER 0.3 oz. Keweenaw Co. Peninsula, Michigan Natural Mineral - , MI US |
| CRYSTAL COPPER, EPIDOTE & QUARTZ: MASS MINE, ONTONAGON CO., MICHIGAN, USA - NR! - Ontonagon, MI US |
| 3.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , MI US |
| Huge 15.3lb Copper Nugget Tumbled Natural Native Metal Ore From Michigan - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Fossil crinoid - Dolatocrinus triangulatus from Michigan - , MI US |
| NATIVE COPPER METAL SPHERE MICHIGAN MINERALS CRYSTALS GEMS-MIN - , MI US |
| 5 large Unpolished Petoskey Stone Lot Art Fossil Hexagonaria Michigan - Petoskey, MI US |
| MINERALS : NATIVE COPPER ON ALL SIDES WITH SOME EMBEDDED EPIDOTE FROM MICHIGAN - , MI US |
| 5.7" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.7 lbs. - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 39+ carats 600 grit - , MI US |
| 4 oz. Copper, Kearsarge Mine, Michigan - , MI US |
| 4.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 2.2" NATURAL ROUGH SPECULAR HEMATITE STONE MINERAL FROM MICHIGAN USA ~ 30.6grams - , MI US |
| Chlorastrolite Michigan Greenstone - , MI US |
| 3 LAKER POCKET COPPER CRYSTALS,KEWEENAW CO.MICHIGAN. OUT of LAKE SUPERIOR - , MI US |
| Natural Copper Ore Specimen - 738 grams - Native Michigan High Grade Nugget - , MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| 5 1/2” Tumbled Native Glacial Michigan Float Copper Nugget Specimen 2 LB 8.0 OZ - , MI US |
| ☆ Lake Superior GREENSTONE - Chlorastrolite ☆ U.P. MICHIGAN ☆ - , MI US |
| 3.2" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.1 lbs. - , MI US |
| 5.9" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.9 lbs. - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| copper crystal michigan - , MI US |
| 3.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Stone 11+ carats 400 grit - , Mi US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| Three Pieces of Copper From Copper Country Michigan (Keweenaw) - , Mi US |
| CONGLOMERATE NATIVE SILVER: CALUMET & HECLA MINES, HOUGHTON CO. MICHIGAN - NR! - Calumet, MI US |
| 50 Bright "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , Mi US |
| SILVER CRYSTAL ON COPPER Quincy Mine Michigan - Hancock, MI US |
| Big Beautiful Copper Mineral Specimen from Michigan in Cardboard Box-Estate Find - , MI US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| ISLE ROYAL Michigan Greenstone Chlorastrolite In Matrix - , MI US |
| MOHAWKITE in WHITE QUARTZ SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 3 Stones 18+ carats 600 grit - , MI US |
| UNUSUAL Native Copper Calcite Adularia Crystal MICHIGAN - , MI US |
| COOL CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Polished Copper Pyramid Michigan 100 grams - , MI US |
| 3.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| FLUORESCENT "YOOPERLITE": BEACHES OF THE KEWEENAW PENINSULA, MICHIGAN, USA - NR! - , MI US |
| SILVER, CHALCOCITE & CALCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| 4.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 4” Native UP Michigan Copper Nugget Keweenaw Peninsula 11.8 OZ (Turtle Look) - , MI US |
| WONDERFUL SHAPE Petoskey Stone Polished Coral Fossil Hexagonaria Michigan Gift - Petoskey, MI US |
| Copper and Silver Half-breed Nugget from Hancock Michigan - , MI US |
| SUPERB LARGE Native Copper Crystal Cluster PHOENIX, MICHIGAN - , MI US |
| CHOICE CHAMOSITE PSEUDOMORPH GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| COPPER specimen * Keweenaw Peninsula * Michigan - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 8 Stones 13+ carats 600 grit - , MI US |
| 5.3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2.7 lbs. - , MI US |
| 3" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.3 lbs. - , MI US |
| 4.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Natural Copper Ore Specimen - 984 grams - Native Michigan High Grade Nugget - , MI US |
| JEWELRY GRADE CRYSTAL COPPER in PREHNITE: CENTRAL EXPLORATION MINE, MICHIGAN-NR! - , MI US |
| SWEET COPPER BANDED AGATE: WOLVERINE #2 MINE, KEWEENAW CO., MICHIGAN - NR! - , MI US |
| 2082 Grams. Giant Yooperlite. Syenite. Sodalite. UP Michigan. Museum Quality - , MI US |
| Native Copper, Kearsarge Mine, Michigan - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| 1" NATIVE COPPER Cube Keweenaw Peninsula Michigan Natural - , MI US |
| Lovely Copper Specimen from Michigan in Cardboard Box- Estate Find - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| Chlorastrolite (Isle Royale Greenstone): Green Turtleback Pattern; 5cts Michigan - , Mi US |
| Greenstone Isle Royale, UP Michigan, 6.5 ct, polished cab, turtleback pattern - , MI US |
| 4 1/2 POUND PIECE OF NATIVE FLOAT COPPER KEWEENAW COUNTY MICHIGAN CUT POLISHED - , Mi US |
| SWEET SILVER SCULPTURE: C&H #21 MINE, CALUMET, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| 220 Mini "Yooperlites" Fluorescent Sodilite Lake Superior Rocks UP of Michigan - , Mi US |
| DATOLITE,QUINCY MINE,HOUGHTON CO.MICHIGAN,RARE COLOR - Hancock, MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , Mi US |
| MOHAWKITE in MATRIX JEWELRY GRADE SLAB: MOHAWK MINE, KEWEENAW CO, MICHIGAN - NR! - Mohawk, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 47+ carats 600 grit - , MI US |
| Rare OLD snowflake Mohawkite in quartz - Keweenaw Peninsula Michigan - Mohawk, MI US |
| Old COPPER specimen * Keweenaw Peninsula * Michigan - , MI US |
| Beautiful Lake Super AGATE Michigan MI - , MI US |
| NATIVE SILVER & CHALCOCITE: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| CHAMOSITE PSEUDOMORPH AFTER GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| 1.5" RARE COPPER IN CALCITE NATURAL CRYSTAL FROM MICHIGAN 14.4g - , MI US |
| SUPERB CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Green Stone, Michigan UP, 42.5 ct, great polish, all good gems - , MI US |
| NATIVE SILVER & COPPER: CENTENNIAL MINE, HOUGHTON COUNTY, MICHIGAN, USA - NR! - , MI US |
| COOL CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 9.8 carats 600 grit - , MI US |
| Lapidary Lot rough Greenstone Copper in basalt others Michigan mix 18 lbs 154 - , MI US |
| Michigan Art Lot Small Petoskey Stones Unpolished fossils coral jewelry natural - Petoskey, MI US |
| NATIVE COPPER EPIDOTE QUARTZ CASTS MICHIGAN MINERALS GEMS-SCB - , MI US |
| 39mm NATIVE COPPER Sphere Ball w/ Stand - Keweenaw Peninsula, Michigan - , MI US |
| 3.2" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| 2.8" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| 4.0 CM MATCHED PORCELAIN DATOLITE PAIR: LAKE SUPERIOR DISTRICT, MICHIGAN - NR! - , MI US |
| Crinoid Fossils Lot Lake County Illinois Lake Michigan - , MI US |
| YOOPERLITE SODALITE Fluorescent Crystal Mineral Specimen Beach Rock MICHIGAN - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale 10 Stones 20+ carat 600 grit - , MI US |
| 8.5" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2 lbs. - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| Rare Native Sheet Copper Shale Specimen White Pine Mine, Michigan 25.5”x18” - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| 5.4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.2 lbs. - , MI US |
| NATIVE COPPER QUARTZ CASTS MICHIGAN MINERALS GEMS-THN - , MI US |
| Chlorastrolite Greenstone Michigan Isle Royale 11 Stones 12+ carats 400 grit - , MI US |
| U.P.Michigan float copper specimen nugget Old Copper Culture cop 5= 11 ozs. - , MI US |
| Specular Hematite Natural Banded Red Silver Michigan BIF 11lbs 7oz {F5aR} - , Mi US |
| SWEET 2.8 CM PORCELAIN DATOLITE: LAKE SUPERIOR DISTRICT, MICHIGAN - NR! - , MI US |
| 17.6lb Michigan Puddingstone Gem Mineral Specimen Epidote Quartz Jasper Lapidary - , Mi US |
| SILVER & COPPER NUGGET: CALUMET & HECLA MINES, HOUGHTON COUNTY, MICHIGAN - NR! - Calumet, MI US |
| 4.2" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 2 lbs. - , Mi US |
| NATIVE COPPER & SILVER: DELAWARE MINE, KEWEENAW COUNTY, MICHIGAN, USA - NR! - Delaware, MI US |
| UNIQUE Native Copper Crystal Epimorphs after Calcite OJIBWAY MINE, MICHIGAN - , MI US |
| SILVER & COPPER NUGGET GROUP: SENECA MINE, MOHAWK, KEWEENAW CO., MICHIGAN - NR! - Mohawk, MI US |
| CHAMOSITE PSEUDOMORPH AFTER GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| NATIVE SILVER & COPPER NUGGET: MOHAWK MINE, KEWEENAW COUNTY, MICHIGAN, USA - NR! - Mohawk, MI US |
| 4" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - , MI US |
| Incredible BROWN DATOLITE PAIR W/ COPPER RINGS Michigan - , MI US |
| EXQUISITE DENDRITIC CRYSTAL SILVER: WHITE PINE MINE ONTONAGON CO, MICHIGAN - NR! - Ontonagon, MI US |
| Michigan native copper 24g - , MI US |
| 6.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan - 1.5 lbs. - , MI US |
| COOL CRYSTAL SILVER GROUP: WHITE PINE MINE, ONTONAGON COUNTY, MICHIGAN - NR! - Ontonagon, MI US |
| CHOICE CHAMOSITE PSEUDOMORPH GARNET: SPURR MINE, BARAGA COUNTY, MICHIGAN - NR! - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| MULTI CELLED DATOLITE,COPPER,EPIDOTE,NEBRASKA MINE,ONTONAGON CO.MICHIGAN - Ontonagon, MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Large 9.7 carats 600 grit - , MI US |
| #E320 Tornado Stone, AKA Michigan Firebrick, smelter smokestack lining 1800's - , MI US |
| Unpolished Large Michigan Petoskey Stone 5" big fossil Rock, rough 714.41 gr A07 - Petoskey, MI US |
| Rare Michigan Green stone - , MI US |
| RARE GOLD SHEEN GOETHITE: GENEVA MINE, BESSEMER, GOGEBIC COUNTY, MICHIGAN - NR! - , MI US |
| Chlorastrolite Greenstone Michigan Gem Isle Royale Huge Stone 40+ carat 600 grit - , MI US |
| CLIFF MINE NATIVE COPPER CHISEL STRIPS KEWEENAW PENINSULA MICHIGAN 75 GRAMS - , MI US |
| 30mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula Michigan Natural - , MI US |
| 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural - , MI US |
| Wyoming |
| Michigan Keweenaw Lake Superior Wyoming copper mining company document 1865 - , WY US |
