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Cameronite & Vulcanite

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SKY894415

Cameronite & Vulcanite

Type Locality

Description Tabs

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

Grey metallic single crystals of the extremely rare Cu-Ag telluride mineral cameronite jointly with bronze yellow single crystals of vulcanite in a sample that was probably analyzed by the former owner of the specimen (the Vandenbroucke Museum, but the analysis is no longer available).

The sample consists of FOUR microspecimens : TWO cameronites (photos 1 and 2), ONE vulcanite (photo 3) and ONE sample of a mixture of cameronite (minoritary) and vulcanite (majoritary) (photo 4)., all of them in a capsule.

 

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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