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Sylvanite

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CYF514352

Sylvanite

Description Tabs

Description
Locality: 
Emperor Mine, Viti Levu, Fiji
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3.5 cm
Description

Good sized sylvanite crystals on a rhyolite matrix from the Emperor mine in Fiji.  The main sylvanite crystal measures approximately 9mm in length.  These are nearly impossible to find.

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