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Quartz Psm Fluorite & Baryte

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SNJ123024

Quartz Psm Fluorite & Baryte

Description Tabs

Description
Locality: 
Genoa Claim, Animas District, San Juan County, Colorado, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6 × 5 cm
Description

 This is a quartz encrustation of green fluorite and after barite from a locality known for exceptional epimorphs. It was collected in the 1980's from a locality that has been closed for years. Before that closure, the Genoa produced some fabulous specimens.

Mineral Data
What's on the rock

Quartz

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

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

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
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