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Fluorite & Quartz

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MGR615758

Fluorite & Quartz

Description Tabs

Description
Locality: 
Berbes, Ribadesella, Asturias, Spain
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11.1 × 10.1 × 6.5 cm
Description

The crystals are up to 69mm on edges. Although they are really huge they show very good translucency. I photographed  the specimen with minor backlight to show this incredible concentration of color - this is not just violet; it´s purple! The faces are partly glossy, one side of the main crystal is covered with small quartz crystals and a part of these quartz crystals shows a brownish layer (could be removed easy with some chemistry, but I think the contrast of three colors is too nice). The assemble is really spectacular and the remarkable crystal size makes it even more impressive.

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