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Native Gold Jamesonite & Tetrahedrite

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JYJ761919

Native Gold Jamesonite & Tetrahedrite

EDS conf specimen no 19-10-17-62

Description Tabs

Description
Locality: 
Amayapampa Mine, Rafael Bustillo Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 3.5 cm
Description

Native gold associated with grey metallic jamesonite and tetrahedrite in quatz matrix. EDS conf specimen no 19-10-17-62, analysis attached.

 

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Jamesonite

Formula: 
Pb4FeSb6S14
Strunz: 
2.HB.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK

Tetrahedrite

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