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Colemanite

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PDM1038403

Colemanite

Fluorescent

Description Tabs

Description
Locality: 
Bigadiç Mine, Bigadiç District, Balikesir Province, Turkey
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13.4 × 12.5 × 10.3 cm
Weight: 
1 420.00gr
Description

A big piece of almost 1.5 Kg featuring a geode of translucent and well-formed colemanite crystals of good lustre and perfectly terminated. No significant damages to report. Intense whitish yellow fluorescence under long UV and whitish blue under short UV. Super opportunity of a top big specimen, from a classic locality.

Acquired in 1983 in Bigadic to local collectors by Peter Vink.

Combine specimens to reduce shipping costs!.

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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