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Colemanite


Colemanite : Ca[B3O4(OH)3] · H2O

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: Boron, Kramer District, Kern Co., California, USA
Colorless crystals of colemanite a wedge of matrix. The colemanite crystals are highly lustrous, and vary from milky white to water-clear. No damage. Overall size of mineral specimen: 6x5x4 cm. Size of individual crystals: 10-15 mm.

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