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Colemanite On Calcite

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Colemanite On Calcite

Description Tabs

Description
Locality: 
Boron, Kern County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.4 × 8.4 × 4.4 cm
Description

Nice colemanite crysatls on yellow calcite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White