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Realgar & Colemanite

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SKY535562

Realgar & Colemanite

Classic Locality

Description Tabs

Description
Locality: 
U S Borax Mine, Boron, Kern County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2.5 cm
Description

Outstanding crystals of realgar on and included in sharp white partially gemmy colemanite crystals from this classic locality for colemanite.

Very nice for the contrast between both species.

Mineral Data
What's on the rock

Realgar

Formula: 
As4S4
Strunz: 
2.FA.15a
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0

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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