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Tetrahedrite Pyrite & Quartz

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MGR723981

Tetrahedrite Pyrite & Quartz

Description Tabs

Description
Locality: 
Mundo Nuevo Mine, Huamachuco, Libertad Department, Peru
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.4 × 5.1 cm
Description

A well arranged group of highly lustrous and razor sharp terminated Tetrahedrite crystals, minor Quartz and Pyrite is also present. No significant damages to report, bottom; part of the backside was on the rock.

Mineral Data
What's on the rock

Tetrahedrite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White