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Emplectite Siderite & Chalcopyrite

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ESM906504

Emplectite Siderite & Chalcopyrite

Description Tabs

Description
Locality: 
Käfersteige Mine, Würm, Karlsruhe Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 2 cm
Description

Lustrous metallic acicular emplectite crystals with creme colored siderite crystals and minor chalcopyrite

Mineral Data
What's on the rock

Emplectite

Formula: 
CuBiS2
Strunz: 
2.HA.05
Crystal System: 
Orthorhombic Prismatic crystlas
Hardness: 
2.0
Type Locality: 
Tannenbaum Mine, Antonsthal, Breitenbrunn District, Erzgebirge, Saxony, Germany

Siderite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0