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Emplectite Siderite Fluorite & Quartz

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CLB552272

Emplectite Siderite Fluorite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Käfersteige Mine, Würm, Karlsruhe Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.9 × 5.6 × 3.3 cm
Description

Glossy black acicular emplektite crystals in a vug in quartz-fluorite matrix with brownish siderite.

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

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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