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Colemanite

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PDM785265

Colemanite

Description Tabs

Description
Locality: 
Ryan, Furnace Creek, Inyo County, California, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.6 × 1.7 cm
Largest Crystal: 
1.40cm
Description

Aggregate of sharp translucent colemanite blades that form a knob, complete all around (with the contact on the bottom), in very good condition. A rich specimen from the collection of Gerard Vogel.

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

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