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Fluorite Pyrite & Quartz

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MGR679202

Fluorite Pyrite & Quartz

Description Tabs

Description
Locality: 
Běstvina, Chrudim District, Pardubice Region, Czech Republic
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
17.8 × 14.8 × 6.3 cm
Description

Material from this locality is very rare and hard to obtain - and this is not just a smaple! The specimen consists of intergrown large fluorite crystals. Most of them are coated with a layer of micro quartz crystals, they show a touch of very light amethyste color. In one area you can see (details-photos in the gallery) a group of sharp terminated, glossy fluorite crystal without this coating. Theyare nearly colorless with a touch of yellow color. Sparkling pyrite crystals are scattered all over. A very good, tri-dimensional and rare specimen in excellent condition.

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Quartz

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