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Fluorite & Muscovite

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KAT839895

Fluorite & Muscovite

Description Tabs

Description
Locality: 
Altenberg, Erzgebirge, Saxony, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 3.8 × 3.2 cm
Description

well crystallized, dark purple almost black, lustrous fluorite crystals

combined with muscovite (var. zinnwaldite) and quartz

specimen comes with 3 old labels

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

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Seller Information

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