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Sylvanite & Gold Var Electrum

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Sylvanite & Gold Var Electrum

Description Tabs

Description
Locality: 
Cripple Creek District, Teller County, Colorado, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1 × 1 cm
Description

Massive sylvanite and in small crystals on carbonatic matrix. Associated with native gold var. electrum. Comes with an old handwritten label.

Mineral Data
What's on the rock

Sylvanite

Formula: 
(Au,Ag)2Te4
Strunz: 
2.EA.05
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Type Locality: 
Baia de Arieş (Offenbánya), Alba Co., Romania

Gold

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

Electrum

Variety Of: 

Gold

Formula: 
Au
Strunz: 
1.AA.05
Hardness: 
2.5 - 3.0
Formula: 
(Au, Ag)
Strunz: 
1.AA.05
Hardness: 
0.0