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Sylvanite

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DPH691134

Sylvanite

Description Tabs

Description
Locality: 
Portland Mine, Cripple Creek, Teller County, Colorado, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 0.7 cm
Description

Rich specimen of sylvanite, a rare Ag-Te-sulfide, from the classic mining district in Cripple Creek, Colorado.

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

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