| Collector Specimen Matches |
| US |
| Arizona |
| MINERALS : RAMSDELLITE CRYSTAL GROUP FROM ARIZONA - Sam Powell Peak, AZ US |
| Maine |
| Fluorescent Mineral : Powellite in quartz - Goodall Quarry - Sanford, Maine - , ME US |
| Montana |
| MINERALS : EPIDOTE CRYSTAL GROUP FROM MONTANA, USA - , MT US |
| New Jersey |
| RARE Powellite & Molybdenite in Meionite FRANKLIN, NEW JERSEY - Ex. Lemanski - Franklin, NJ US |
| Oregon |
| Mw: PLUME AGATE -Powell Butte, Oregon- Polished Slab - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- 6pcs Rough Slab - , Or US |
| OLD POWELL BUTTE MOSS AGATE ROUGH OREGON 8 1/2 POUNDS - , Or US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- 6pcs Rough Slab - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- 8pcs Rough Slab - , OR US |
| OREGON PLUME, MOSS AGATE SLABS!! - , OR US |
| LARGE & OLD POWELL BUTTE MOSS AGATE CUT SPECIMEN OREGON 14 1/4 POUNDS - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- 6pcs Rough End Slab - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- Rough End Slab - , OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Face Polished Specimen - , OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Face Polished Specimen - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Prineville, Oregon- Rough Slab - Prineville, OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Face Polished Specimen - , OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Face Polished Specimen - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- Rough Slab - , OR US |
| 2 OLD POWELL BUTTE MOSS & PLUME AGATE ROUGH SPECIMENS OREGON 6 3/4 + POUNDS - , OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Face Polished Specimen - , OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Polished Specimen - , OR US |
| Mw: PLUME & MOSS AGATE -Powell Butte, Oregon- Polished Specimen - , OR US |
| Mw: POWELL BUTTE PLUME AGATE -Oregon- Rough Nuggets 2lbs - , OR US |
| Mw: PLUME AGATE -Powell Butte, Oregon- Polished End Slab - , OR US |
