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Sylvanite

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PCZ511310

Sylvanite

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: 
3.5 × 3.5 × 3.5 cm
Description

This specimen is a good example of the rare silver-gold-telluride sylvanite.

It is an old specimen and comes with a copy of its original label on which it is named 'Goldschmidite', an obsolete name for the species.

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
Peter Crozier Minerals