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Fluorite Tennantite & Chalcopyrite

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PDM678130

Fluorite Tennantite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Artenberg Quarry, Steinach, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 4.9 cm
Description

Interesting specimen with a (for the locality) large green, undamaged, sceptre fluorite crystal of a odd appearance, in a geode lined by crystals of pinkish calcite, blackish-grey lustrous tennantite and golden chalcopyrite. This sceptre fluorite is certainly uncommon in this classic German locality. Ex. Chris Deroo specimen.

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

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

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