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Kasolite Wulfenite & Torbernite

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RSL636603

Kasolite Wulfenite & Torbernite

Radioactive

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.6 × 2.8 cm
Largest Crystal: 
0.20cm
Description

In my opinion, among all known radioactive minerals, kasolite is the most aesthetic. It presents forms of elongated to tabular prisms, very well defined and sharp, many of them doubly terminated and of intense yellow color, even with some transparency. It is accompanied by wulfenite crystals of orange color. The matrix is partially covered by brilliant and transparent torbernite thin tabular crystals. With some malachite. A aesthetic sample from a classic locality, to be observed with attention, nowadays it is very difficult to see good samples like these.

Mineral Data
What's on the rock

Kasolite

Formula: 
Pb(UO2)[SiO4]·H2O
Strunz: 
9.AK.15
Hardness: 
4.0 - 5.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Wulfenite

Formula: 
Pb(MoO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

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