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Prehnite


Prehnite : Ca2Al2Si3O12(OH)

Photo Copyright © 2000-2003 by John H. Betts. All Rights Reserved.
This photo, and many others, have been provided by John Betts Fine Minerals - http://www.johnbetts-fineminerals.com - For more fine minerals click here.  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Upper New Street Quarry (Burger's Quarry), Paterson, Passaic Co., New Jersey, USA
Bright green prehnite pseudomorphs (epimorphs) after 2-4 cm anhydrite crystals with scattered white laumontite on the surface. Very clean, no damage. The anhydrite cavities are visible from the bottom of the specimen. Ex. Robert C. Linck (1905-1970). Overall size of mineral specimen: 14x9x6 cm. Size of individual crystals: 2-4 cm.

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