| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Calcite |
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| DESCRIPTION: | No. 43371 |
| Mineral: | Calcite |
| Locality: | Pony Express Mine, Gold Hill District, Ouray County, Colorado |
| Description: | Scalenohedral brown calcite crystals in a conical-shaped cluster that is fully crystallized all around. The brown color is due to limonite impurities in the calcite. |
| Overall Size: | 4x3x2 cm |
| Crystals: | 1-12 mm |
| Archived: | For reference only |
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