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Quartz Dolomite & Fluorite

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MGR844901

Quartz Dolomite & Fluorite

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 3.1 × 3.1 cm
Description

A highly lustrous (and at the upper half water-clear) quartz crystal in combination with beige dolomite crystals and sharp cubic fluorite crystals in steel-blue color with a darker internal zoning. A really great combination, very aesthetic and very rare and uncommon. No significant damages to report!

Mineral Data
What's on the rock

Quartz

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

Dolomite

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