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Johannite & Magnesiozippeite

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CZM121529

Johannite & Magnesiozippeite

Type Locality

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4 × 1 cm
Description

Large specimen richly overgrown by nice green johannite crystals aggregates and yellow powder magnesiumzippeite aggregates. Very rich and nice specimen with well formed small johannite crystals and their aggregates.

Mineral Data
What's on the rock

Johannite

Formula: 
Cu(UO2)2(SO4)2(OH)2·8H2O
Strunz: 
7.EB.05
Crystal System: 
Triclinic
Hardness: 
2.0 - 2.5
Colour: 
Emerald-green
Type Locality: 
Elias Mine, Jáchymov, Krušné Hory, Karlovy Vary, Bohemia, Czech Republic

Magnesiozippeite

Formula: 
Mg(UO2)2(SO4)O2·3.5H2O
Group Parent: 
Zippeite Group
Strunz: 
7.EC.05
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
Lucky Strike No. 2 mine, San Rafael District (San Rafael Swell), Emery Co., Utah, USA

Seller Information

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