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Dumontite & Kolbeckite

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CAM150818

Dumontite & Kolbeckite

Type Locality

Description Tabs

Description
Locality: 
Shinkolobwe Mine, Shinkolobwe, Kambove, Haut-Katanga, DR Congo
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.7 × 0.6 cm
Description

Dumontite, a rare lead-uranyl-phosphate, was named after Belgian geologist André Dumont (1809-1857).
This small but excellent sample has a very rich coverage of lustrous bright yellow dumontite crystals associated with tiny transparent pink crystals of the rare scandium-phosphate kolbeckite and some green torbernite crystals.
Beautiful under magnification.

Mineral Data
What's on the rock

Dumontite

Formula: 
Pb2(UO2)3(PO4)2(OH)4·3H2O
Strunz: 
8.EC.15
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Kolbeckite

Formula: 
ScPO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.0 - 5.0
Type Locality: 
Sadisdorf, Schmiedeberg, Erzgebirge, Saxony, Germany
Cartils Minerals

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