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Fluorite On Quartz

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BMM641584

Fluorite On Quartz

Description Tabs

Description
Locality: 
La Viesca Mine, Huergo, La Collada, Siero, Asturias, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.7 × 3.5 cm
Description

Transparent fluorite crystals of soft violet color with additional soft violet zoning along the edges. The crystals are highly lustrous with a fine structure on the faces. Well crystalized all around the matrix with small quartz crystals. Only the bottom was extracted from the rock.

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