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Fluorite & Pyrite

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MGR1031899

Fluorite & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Naica Mine, Naica, Saucillo Municipality, Chihuahua, Mexico
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 4.6 × 3.7 cm
Description

Orange to brownish matrix which is hosting several golden lustrous crystals of pyrite at one side and the other side has intergrown octahedral fluorite crystals attached. The fluorite is deep green at one area at the bottom and almost colourless at the main crystal.

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