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Thomsonite-Ca, Analcime


Thomsonite-Ca : NaCa2[Al5Si5O20] · 6H2O, Analcime : Na2[Al2Si4O12] · 2H2O

Photo Copyright © 2000-2003 by John H. Betts. All Rights Reserved.
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Locality: Upper New Street Quarry (Burger's Quarry), Paterson, Passaic Co., New Jersey, USA
Hemispherical, radiating crystal clusters up to 4 cm diameter of pale pink thomsonite, with many white analcime crystals up to 8 mm. One of the thomsonite clusters has a rectangular cast after an anhydrite crystal - now dissolved away (naturally). Ex. Robert C. Linck (1905-1970). Overall size of mineral specimen: 9x5x4 cm. Size of individual crystals: 3-20 mm.

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