AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Pyrite on Datolite pseudomorph after Anhydrite |
DESCRIPTION: | No. 52278 |
Mineral: | Pyrite on Datolite pseudomorph after Anhydrite |
Locality: | Millington Quarry, Bernards Township, Somerset County, New Jersey |
Description: | Lustrous green-gray datolite epimorph after anhydrite crystals to 25 mm with metallic cubic pyrite crystals to 3 mm. The anhydrite formed first, then was overgrown by datolite crystals, finally the anhydrite dissolved away leaving the hollow formation. Ex. John Geiges collection |
Overall Size: | 5x2.5x2 cm |
Crystals: | micro to 3 mm |
Archived: | For reference only |
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