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Guanacoite & Arhbarite

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CR27886

Guanacoite & Arhbarite

Rare Mineral

Description Tabs

Description
Locality: 
Guanaco, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.3 × 2.3 cm
Description

This is one of the very best specimen of the both very rare minerals Guanacoite and Arhbarite I ever had.

Guanacoite forms beautiful pale bluegreen microcrystals on the surface and in small vugs.

Arhbarite shows wonderful deep blue crystalized balls all over the specimen.

Truely a very rich and good specimen !

Mineral Data
What's on the rock

Guanacoite

Formula: 
Cu2Mg3(AsO4)2(OH)4·4H2O
Strunz: 
8.DD.10
Hardness: 
3.0
Type Locality: 
El Guanaco Mine, Guanaco (Huanaco), Santa Catalina, Antofagasta Province, Antofagasta Region, Chile

Arhbarite

Formula: 
Cu2Mg(AsO4)(OH)3
Strunz: 
8.BE.25
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Aghbar Mine (Arhbar Mine), Aghbar, Bou Azer District (Bou Azzer District), Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco