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Uranopilite Johannite & Marécottite

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BCK866256

Uranopilite Johannite & Marécottite

1.9
Rare Mineral

Description Tabs

Description
Locality: 
Eldorado Mine, Port Radium District, Great Bear Lake, Northwest Territories, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 2.5 × 1.9 cm
Description

You are bidding on a small miniature sample with a fracture surface covered in yellow sprays of uranopilite, pale green johannite clusters and a few orange clusters of rare marecottite. Unusual sample from this famous Canadian locality. Ex Harvard. 

Mineral Data
What's on the rock

Uranopilite

Formula: 
(UO2)6(SO4)O2(OH)6·14H2O
Strunz: 
7.EA.05
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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

Marécottite

Formula: 
Mg3(UO2)8(SO4)4O6(OH)2·28H2O
Strunz: 
7.EC.15
Crystal System: 
Triclinic
Hardness: 
3.0 - 0.0
Streak: 
colorless
Type Locality: 
La Creusa U prospect (La Creusaz U prospect), Les Marécottes, Le Trient Valley, Wallis (Valais), Switzerland

Seller Information

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