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Native Silver With Bornite & Tetrahedrite

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LGM594938

Native Silver With Bornite & Tetrahedrite

Ex Lehnen collection, Möchgengladbach, Germany
Classic Locality

Description Tabs

Description
Locality: 
San Martin Mine, Sombrerete, Zacatecas, Mexico
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.6 × 3.9 × 3.2 cm
Weight: 
29.00gr
Description

Curled and curved silver wires with a bright patina, to about 4 mm, are scattered on a matrix of crystalline bornite. The bornite has some blue and purple iridescence. Accompanied by partly overgrown tetrahedrite crystals with bright metallic luster (pics 1,2), size up to 8 mm on edge.

A fine combination piece from the ancient and well-known San Martin Mine, Zacatecas, Mexico.

Mineral Data
What's on the rock

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Bornite

Formula: 
Cu5FeS4
Strunz: 
2.BA.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Seller Information

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