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Colemanite

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CR63708

Colemanite

Description Tabs

Description
Locality: 
Kurtpınarı Mine, Faraşköy, Bigadiç, Balikesir Province, Turkey
Size Range: 
Cabinet (10-18 cm)
Size: 
16 × 8 × 8 cm
Largest Crystal: 
2.50cm
Description

A cluster of large and gemmy colemanite crystals.

 

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