| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Gypsum, Thaumasite, Amethyst Quartz |
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| DESCRIPTION: | No. 38412 |
| Mineral: | Gypsum, Thaumasite, Amethyst Quartz |
| Locality: | Paterson, Passaic County, New Jersey |
| Description: | Mass of crystallized quartz, some the purple variety amethyst, with rectangular casts after anhydrite crystals up to 8 cm long. The casts have been filled with late-forming white thaumasite microcrystals and transparent gypsum crystals up to 20 mm. Ex. Academy of Natural Sciences of Philadelphia collection #9047 |
| Overall Size: | 12x12x11 cm |
| Crystals: | 1-20 mm |
| Archived: | For reference only |
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