| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Goethite pseudomorphs after Gypsum |
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| DESCRIPTION: | No. 68285 |
| Mineral: | Goethite pseudomorphs after Gypsum |
| Locality: | Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico |
| Description: | Lustrous black goethite pseudomorphs after bladed gypsum crystals to 13 mm long on brown limonite gossan. The gypsum crystallized first, then was overgrown by goethite. When the gypsum dissolved it left molds in the goethite with lustrous flat surfaces. Collected ca. 1980 |
| Overall Size: | 24x22x20 mm |
| Crystals: | pseudos to 13 mm |
| Archived: | For reference only |
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