| Collector Specimen Matches |
| US |
| Idaho |
| Spencer Idaho Opal Specimen lapidary 1 lb 5 oz rough specimen - Spencer, ID US |
| New Mexico |
| SiS: SPECTACULAR DEMING Thunderegg Agate - Baker Ranch, New Mexico - Deming, NM US |
| Nevada |
| Bright and large fluorescent common OPAL from Virgin Valley, Nevada 118 - , NV US |
| Bright and large fluorescent common OPAL from Virgin Valley, Nevada 120 - , NV US |
| Bright cabinet size fluorescent common OPAL from Virgin Valley, Nevada 119 - , NV US |
| Bright and large fluorescent common OPAL from Virgin Valley, Nevada 122 - , NV US |
| Oregon |
| ~RW~ "PONY BUTTE" THUNDEREGG with GREEN MOSS - Madras, OR US |
| OLD MIXED THUNDER EGG ROUGH LOT 26 1/4 + POUNDS OREGON - , OR US |
| Oregon Bog Opal 9 pounds (opal in jasper matrix) - , OR US |
| Oregon Common Opal Raw - , OR US |
| Oregon Reservoir Thunder Eggs - 8 lbs Uncut - , OR US |
| Oregon Dragonskin Thunder Egg Half - Cut Unpolished - , OR US |
| Wyoming |
| Wyoming LOT of 9 Sm Opal Dendritic White Translucent Opal Agate Rough Specimen - , WY US |
