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Tennantite & Siderite

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CAM506386

Tennantite & Siderite

Description Tabs

Description
Locality: 
Julcani Mine, Julcani, Angaraes Province, Huancavelica Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 7 × 2.7 cm
Largest Crystal: 
0.80cm
Description

An excellent and beautiful specimen from the Julcani Mine with a very rich coverage of sharp, grey metallic, tennantite crystals up to 8 mm and brown disk-shaped siderite crystals up to 6 mm on matrix.

Mineral Data
What's on the rock

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
Cartils Minerals

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