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Kamotoite-(Y) Shabaite-(Nd) & Astrocyanite-(Ce)

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PDM882670

Kamotoite-(Y) Shabaite-(Nd) & Astrocyanite-(Ce)

Type Locality

Description Tabs

Description
Locality: 
Kamoto East Open Cut, Kamoto, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.7 × 2.4 cm
Weight: 
52.00gr
Description

From the type locality, this is a good block of black uraninite with one side richly coated by a crust with hundreds of tiny crystals of olive green to white shabaite-(Nd), and flattened radial rosettes of bright, canary yellow kamotoite-(Y) crystals. Minor blue patches of astrocyanite-(Ce) are also present.

Collected before 1985. Ex Joseph Lhoest collection.

Mineral Data
What's on the rock

Kamotoite-(Y)

Formula: 
Y2(UO2)4(CO3)3O4·14H2O
Strunz: 
5.EA.30
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Kamoto East Open cut, Kamoto, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Shabaite-(Nd)

Formula: 
Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2·6H2O
Strunz: 
5.EE.10
Hardness: 
2.5
Type Locality: 
Kamoto East Open cut, Kamoto, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Astrocyanite-(Ce)

Formula: 
Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2·1.5H2O
Strunz: 
5.EF.05
Crystal System: 
Hexagonal
Hardness: 
2.5
Type Locality: 
Kamoto East Open cut, Kamoto, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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