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Sylvanite With Pyrite

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PCZ509855

Sylvanite With Pyrite

Description Tabs

Description
Locality: 
Cripple Creek District, Teller County, Colorado, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.5 cm
Description

A nice sample of this rare gold Telluride from a classic US locality. 

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

Pyrite

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