| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Hematite pseudomorphs after Siderite |
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| DESCRIPTION: | No. 76668 |
| Mineral: | Hematite pseudomorphs after Siderite |
| Locality: | Lake George District, Park County, Colorado |
| Description: | Sharp gray-metallic hematite pseudomorphs after parallel rhombohedral siderite crystals to 10 mm. The siderite formed first, then altered molecule by molecule to hematite, while maintaining the original shape of the siderite crystals. Ex. Arthur McCollum ca. 1990 |
| Overall Size: | 4.5x3.5x2 cm |
| Crystals: | 4-10 mm pseudos |
| Archived: | For reference only |
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