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Cameronite & Vulcanite

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SKY912315

Cameronite & Vulcanite

Type Locality

Description Tabs

Description
Locality: 
Good Hope Mine, Vulcan, Gunnison County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

Several metallic greyish crystal aggregates of the extremely rare Cu-Ag telluride mineral cameronite (for example photo 2) jointly with bronze/iridescent crystal aggregates of the also very rare vulcanite (for example photo 1) in a sample that was probably analyzed by the former owner of the specimen (the Vandenbroucke Museum, but the analysis is no longer available).

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Cameronite

Formula: 
Cu5-x(Cu,Ag)3+xTe10 (x = 0.43)
Strunz: 
2.DB.35
Hardness: 
3.5 - 4.0
Colour: 
Gray
Streak: 
Black
Type Locality: 
Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan District (Cebolla District; Domingo District), Gunnison Co., Colorado, USA

Vulcanite

Formula: 
CuTe
Strunz: 
2.CB.75
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 2.0
Type Locality: 
Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan District (Cebolla District; Domingo District), Gunnison Co., Colorado, USA

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