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Colemanite


Colemanite : Ca[B3O4(OH)3] · H2O

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Locality: Pacific Mine (Borate; Borate Colemanite Mines; Calico; Old Borate), Calico-Daggett Borate area, Calico District (Daggett District), Calico Mts, San Bernardino Co., California, USA
2 inch cluster of Colemanite crystals, with a pinkish backside, cleaved, with crystal faces on two sides and the top terminations. One of the nicer larger Colemanite crystals Brandy found during two trips to the location.

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