| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Montana > Corundum var. Sapphire |
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| DESCRIPTION: | No. 33691 |
| Mineral: | Corundum var. Sapphire |
| Locality: | Yogo Gulch Sapphire Mining District, Judith Basin County, Montana |
| Description: | Nine crude corundum crystals from the historic sapphire deposits first discovered in 1895. One crystal is water-worn and came from the alluvial deposits, the others are sharper and likely originated in the American Mine, the only in situ deposit. Ex. John A. Rorer, Jr. collection #094 |
| Overall Size: | 1 cm |
| Crystals: | 1 cm |
| Archived: | For reference only |
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