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Ulexite & Colemanite

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BCK597476

Ulexite & Colemanite

Rare Mineral

Description Tabs

Description
Locality: 
Twenty Mule Team Canyon, Furnace Creek District, Inyo County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.8 × 1 cm
Description

You are bidding on a small sample with some unusual white sprays of ulexite on nice colemanite crystals. 

Mineral Data
What's on the rock

Ulexite

Formula: 
NaCa[B5O6(OH)6]·5H2O
Strunz: 
6.EA.25
Crystal System: 
Triclinic
Hardness: 
2.5
Type Locality: 
Iquique Province, Tarapacá Region, Chile

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

Seller Information

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