AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Prehnite pseudomorphs after Anhydrite with Calcite overgrowth

Prehnite pseudomorphs after Anhydrite with Calcite overgrowth from Upper New Street Quarry, Paterson, Passaic County, New Jersey

DESCRIPTION:	No. 79715
Mineral:	Prehnite pseudomorphs after Anhydrite with Calcite overgrowth
Locality:	Upper New Street Quarry, Paterson, Passaic County, New Jersey
Description:	Superb translucent green prehnite pseudomorphs after large anhydrite crystals to 50 mm with scattered translucent white calcite crystals to 4 mm on the surfaces. The anhydrite crystallized first, was overgrown with prehnite, then the anhydrite dissolved. Collected in 1980s to 1990s by Prof. Martin Becker
Overall Size:	11x8x6 cm
Crystals:	15-50 mm pseudos
Archived:	For reference only

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