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Fluorite Marcasite & Dolomite

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CLB508770

Fluorite Marcasite & Dolomite

ex collection Uwe Nielsen
Classic Locality

Description Tabs

Description
Locality: 
Marienschacht Mine, Wölsendorf, Bavaria, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.2 × 3 cm
Description

Nice group of greenish fluorite crystals with stepped growth patterns. Marcasite balls and creamy-beige-white dolomite crystals on the top.

Mineral Data
What's on the rock

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

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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