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Tetrahedrite & Galena

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WND795475

Tetrahedrite & Galena

Classic Locality

Description Tabs

Description
Locality: 
Casapalca Mine, Huarochiri Province, Lima Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 4.2 × 2.8 cm
Description

A fine combination specimen with two well defined species. On the one hand there are several slightly deformed cubes of steel grey galena, on the other hand there are multifaced and high metallic lustrous crystals of tetrahedrite with tetrahedral basic shape. There is also a little brown and lucent sphalerite on the specimen. A good and typical specimen.

Mineral Data
What's on the rock

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey
Wendel Minerals

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