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Native Silver & Bornite

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CLB582807

Native Silver & Bornite

Classic Locality

Description Tabs

Description
Locality: 
San Martín Mine, San Martín, Sombrerete Municipality, Zacatecas, Mexico
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.3 × 0.4 cm
Description

The whole specimen is a very attractive sheet of bright native silver, partly covered with remnants of colorful, iridescent bornite (the surrounding matrix mineral). Old material.

Much better in nature.

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

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