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Prehnite


Prehnite : Ca2Al2Si3O12(OH)

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Locality: Prospect Park Quarry (Sowerbutt Quarry; Vandermade Quarry; Warren Brothers Quarry), Prospect Park, Passaic Co., New Jersey, USA
Here is a 10 x 5 3/4 inch museum caliber Prehnite casts after Anhydrite specimen from Prospect Park, New Jersey. Collected by Jim Vanderveer in the 1970's. The specimen exhibits deep green color, superb form, and absolutely no damage. From the Eric Stanchich NJ mineral collection.

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