AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Montana > Corundum |
DESCRIPTION: | No. 62973 |
Mineral: | Corundum |
Locality: | Bozeman Corundum Mine, Gallatin County, Montana |
Description: | Three hexagonal corundum crystals in biotite-rich matrix. The two of the corundum crystals on the top edge are translucent gray, the corundum crystal on the front face is translucent blue. |
Overall Size: | 9x5x3.5 cm |
Crystals: | 12-20 mm |
Archived: | For reference only |
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