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Fluorite On Sphalerite

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BMM741747

Fluorite On Sphalerite

Description Tabs

Description
Locality: 
Elmwood Mine, Carthage, Smith County, Tennessee, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 2.6 cm
Description

One exposed fluorite cube on glossy dark brown sphalerite. The fluorites measure up to 0.9 cm at the edges. The faces are highly glossy with a fine texture. Small shiny calcite crystals have grown on one side of the fluorite. The sphalerite shows an intense golden-brown color with strong LED backlit. The specimen stands in the displayed position without any support!

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0