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Baryte Dolomite & Fluorite

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MGR168026

Baryte Dolomite & Fluorite

Description Tabs

Description
Locality: 
Moscona Mine, Solis, Asturias, Spain
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.9 × 6.3 × 3.1 cm
Description

This is really a great specimen - at "matrix" consists of yellow fluorite with pyrite intergrown to the faces. I show one photo with backlight, to show intense internal color. In person the micro-crystals of pyrite are glossy. At the top you can see an amazing assemble of white glossy dolomite and lustrouse blue barite-crystals. No significent damages to report, backside is covered with barite, only bottom was on the rock.

Mineral Data
What's on the rock

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
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