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Fluorite & Calcite On Dolomite

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NBM502394

Fluorite & Calcite On Dolomite

Description Tabs

Description
Locality: 
Ave-et-Auffe, Rochefort, Namur District, Belgium
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
6.5 × 11 × 6.5 cm
Largest Crystal: 
0.80cm
Description

Very good association of purple zoned fluorite and white calcite on yellow dolomite.  It's a specimen that i self collected at the Limites Quarry just after a blasting . Not easy to find.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Dolomite

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

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