|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Prehnite pseudomorph after Anhydrite
|Prehnite pseudomorph after Anhydrite
|Upper New Street Quarry, Paterson, Passaic County, New Jersey
|Hollow finger of green prehnite that grew over a cluster of anhydrite crystals, that subsequently dissolved away naturally leaving a hollow interior. This is a classic formation see: Crystal Cavities of the New Jersey Zeolite Region by Schaller (1932). Ex. Robert Drift collection
|7 cm pseudo
|For reference only
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