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Enargite Pyrite Quartz & Tennantite

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SCH36904

Enargite Pyrite Quartz & Tennantite

Description Tabs

Description
Locality: 
Julcani Mine, Julcani, Angaraes Province, Huancavelica Department, Peru
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.8 × 2.2 cm
Description

A lustrous black striated enargite crystal covered in all sides but one by shiny pyrite crystals and quartz.

Tiny tennantite crystals are present.

Mineral Data
What's on the rock

Enargite

Formula: 
Cu3AsS4
Strunz: 
2.KA.05
Crystal System: 
Orthorhombic
Hardness: 
3.0
Streak: 
Black.
Type Locality: 
San Francisco vein, Morococha District, Yauli Province, Junín Department, Peru

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

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK
schani

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