| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Quartz pseudomorphs after Calcite |
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| DESCRIPTION: | No. 76495 |
| Mineral: | Quartz pseudomorphs after Calcite |
| Locality: | Ouray District, Ouray County, Colorado |
| Description: | Lustrous white quartz crystals to 1 mm in epimorphs after scalenohedral calcite crystals to 25 mm. The calcite crystallized first, quartz crystals grew over them, the calcite dissolved, then more quartz crystals coated all surfaces inside and out. |
| Overall Size: | 5x4x3 cm |
| Crystals: | 10-25 mm pseudos |
| Archived: | For reference only |
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