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Sylvanite & Fluorite

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ESM796875

Sylvanite & Fluorite

Description Tabs

Description
Locality: 
Cripple Creek District, Teller County, Colorado, United States of America
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 1 cm
Description

Lustrous metallic sylvanite crystals with purple fluorite

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

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic