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Colemanite

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WND811046

Colemanite

Classic Locality

Description Tabs

Description
Locality: 
Kestelek Mine, Mustafakemalpaşa District, Bursa Province, Turkey
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 6.9 × 4.8 cm
Description

This fine specimen is showing countless, bladed and multifaced crystals of calcium-borate colemanite on matrix. They are well developed, highly lustrous and sharp adeged. The are lucent and partly transparent. A very attractive Turkish piece.

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
Wendel Minerals

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