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Johannite Plášilite & Zippeite

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JYJ664295

Johannite Plášilite & Zippeite

Description Tabs

Description
Locality: 
Blue Lizard Mine, Red Canyon, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3 × 2.5 cm
Description

Sparkling greenish-yellow plasilite (P-XRD 2018-07-12), with green masses of johannite (P-XRD 2018-07-12-12-47) and zippeite. 

 

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

Plášilite

Formula: 
Na(UO2)(SO4)(OH)·2H2O
Hardness: 
2.0 - 3.0
Streak: 
White
Type Locality: 
Blue Lizard Mine, Chocolate Drop, Red Canyon, White Canyon District, San Juan Co., Utah, USA

Zippeite

Formula: 
K3(UO2)4(SO4)2O3(OH)·3H2O
Group Parent: 
Zippeite Group
Strunz: 
7.EC.05
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
Elias Mine, Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic