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Sylvanite & Tellurium

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SKY583391

Sylvanite & Tellurium

Rare Mineral

Description Tabs

Description
Locality: 
Emperor Mine, Viti Levu, Fiji
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.3 × 0.2 cm
Description

Outstanding crystal of sylvanite associated to rounded native tellurium crystal (third photo) from this remote but already classic locality in Fiji islands that produces a paragenesis of tellurium minerals. There are only 11 species (of  more than 5000) that contains at the same time Gold and Silver in the composition. This mineral is one of them !.

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

Tellurium

Formula: 
Te
Strunz: 
1.CC.10
Crystal System: 
Hexagonal
Hardness: 
2.0 - 2.5
Colour: 
Tin-white
Streak: 
Grey
Type Locality: 
Mariahilf Mine, Faţa Băii (Facebánya; Facebay; Fatiabaja), Zlatna (Zalatna; Zalathna), Alba Co., Romania

Seller Information

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