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Colemanite

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MCH125450

Colemanite

Description Tabs

Description
Locality: 
Emet Borate Deposit, Emet, Kütahya Province, Turkey
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 9 × 8 cm
Description

Cluster of well formed, sharp, colourless, gemmy crystals, partially > 2 cm in size. In the central part of the specimen are dozens of pristine, parallel grown crystals with an extremly high luster. Little damage at the sides of the specimen. Weight 640 gr.

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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