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Calcite, Prehnite

Calcite : CaCO3, Prehnite : Ca2Al2Si3O10(OH)2

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Here we have a gigantic 4 1/2 x 3 1/4 inch golden Calcite on Prehnite after Glauberite from the Weldon Crushed Stone Quarry in Fanwood, New Jersey. The overall specimen measures 6 x 5 3/4 inches. The calcite is unusually large for this locale. Specimen sold.

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Photo added: 20th Feb 2007

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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