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Achavalite

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SKY681858

Achavalite

Rare Mineral

Description Tabs

Description
Locality: 
Cacheuta Mine, Cerro de Cacheuta, Sierra de Cacheuta, Luján de Cuyo Department, Mendoza, Argentina
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.2 × 0.1 × 0.1 cm
Description

Black metallic crystals of the extremely rare iron selenide mineral achavalite, associated to cacheutaite. This second one is a mixture of Cu, Ag and Pb selenides, but not appoved by the IMA.

Achavalite has only been found in two localities worlwdide .

Mineral Data
What's on the rock

Achavalite

Formula: 
(Fe,Cu)Se
Strunz: 
2.CC.05
Crystal System: 
Hexagonal
Hardness: 
2.5
Colour: 
dark grey
Type Locality: 
Cacheuta Mine, Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina

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