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Colemanite

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DVE97138

Colemanite

Ex-David J. Eicher Collection; ex-John H. Eicher Collection

Description Tabs

Description
Locality: 
Pacific Mine, Calico, San Bernardino County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2 × 1 cm
Description

Nicely terminated colemanite crystal from the *other* California locality. A fine thumbnail.

Mineral Data
What's on the rock

Colemanite

Formula: 
Ca[B3O4(OH)3]·H2O
Strunz: 
6.CB.10
Hardness: 
4.5
Type Locality: 
Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
David J. Eicher

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