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Tincalconite


Tincalconite : Na2[B4O7] · 5H2O

Photo Copyright © 2000-2002 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
Pristine white tincalconite pseudomorph after a single borax crystal. Brilliant white color. No damage. Overall size of mineral specimen: 30x14x5 mm. Size of individual crystals: 30 mm.

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