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Fluorite On Quartz

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RBR91999

Fluorite On Quartz

Description Tabs

Description
Locality: 
Teller County, Colorado, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 3.5 cm
Description

This specimen is out of an old collection and was mined in 70ties.

On one side the fluorite shows only light blue colour, but the specimen is developed as floater and at the other side the color is much more intense.

The tiny white quartz-crystals are partly coated with a red to brown layer, which helps to give a great visual impact and a fine contrast.

The faces of the fluorite are frosted.

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

Quartz

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