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Realgar In Ulexite

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JYJ722410

Realgar In Ulexite

Description Tabs

Description
Locality: 
Boron, Kern County, California, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 5.5 × 5 cm
Description

Intense red realgar impregnation in fibrous colourless ulexite from the famous U.S. Borax open pit. Comes with an old label from a systematic collection.

 

 

Mineral Data
What's on the rock

Realgar

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

Ulexite

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