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Vandenbrandeite Cuprosklodowskite Torbernite & Guilleminite

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SMM782698

Vandenbrandeite Cuprosklodowskite Torbernite & Guilleminite

Rare Mineral

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 1.5 cm
Description

Looking at the sample, you can guess that a thick carpet of dark-green, sharp vandenbrandeite crystals has formed over a totally covered surface of sharp torbernite crystals, on a part of which thick tufts of apple-green cuprosklodowskite were formed and subsequently, sprinkled with yellow guilleminite. A lovely specimen.

Boxed with Label
Mineral Data
What's on the rock

Vandenbrandeite

Formula: 
Cu(UO2)(OH)4
Strunz: 
4.GB.45
Hardness: 
4.0
Streak: 
Green
Type Locality: 
Kalongwe deposit, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Cuprosklodowskite

Formula: 
Cu(UO2)2[HSiO4]2·6H2O
Strunz: 
9.AK.10
Hardness: 
4.0
Type Locality: 
Kalongwe deposit, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Torbernite

Formula: 
Cu(UO2)2(PO4)2·12H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

Guilleminite

Formula: 
Ba(UO2)3(SeO3)2(OH)4·3H2O
Strunz: 
4.JJ.10
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 0.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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