| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Utah > Goethite pseudomorphs after Pyrite |
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| DESCRIPTION: | No. 50359 |
| Mineral: | Goethite pseudomorphs after Pyrite |
| Locality: | Pelican Point, Utah County, Utah |
| Description: | Exceptionally sharp brown goethite pseudomorphs after striated cubic pyrite crystals up to 24 mm across. The cubic pyrite crystallized first, then altered molecule by molecule to goethite maintaining the original shape of the pyrite. Ex. Peter B. Nalle (1923-2010) collection #213, originally acquired in 1941 from Martin Ehrmann (1904-1972) |
| Overall Size: | 4x3.5x3 cm |
| Crystals: | 5-24 mm |
| Archived: | For reference only |
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