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Callaghanite

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Callaghanite

Type Locality

Description Tabs

Description
Locality: 
Sierra Magnesite Mine, Gabbs, Nye County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.3 × 1 cm
Description

Deep blue-violet crystals of the very rare mineral callaghanite associated to minoritary white hydromagnesite matrix in a very contrasting matrix.

Callaghanite has only been found in a few localities worldwide being this one in Nevada the type locality and where the best samples are found.

Mineral Data
What's on the rock

Callaghanite

Formula: 
Cu2Mg2(CO3)(OH)6·2H2O
Strunz: 
5.DA.25
Crystal System: 
Monoclinic
Hardness: 
3.0 - 3.5
Type Locality: 
Sierra Magnesite Mine (Premier Chemicals Mine; Gabbs Magnesite-Brucite Mine; Basic Refractories Mine; Basic Mine), Gabbs, Gabbs District, Paradise Range, Nye Co., Nevada, USA

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