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Roubaultite Astrocyanite-(Ce) & Kamotoite-(Y)

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SKY888426

Roubaultite Astrocyanite-(Ce) & Kamotoite-(Y)

Type Locality

Description Tabs

Description
Locality: 
Kamoto East Open Cut, Kamoto, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.3 cm
Description

Outstanding combination of the three extremely rare uranium species from the Kamoto East mine:  green roubaultite, blue astrocyanite-(Ce) and yellow kamotoite in a colorful combination under the microscope.

Analyzed specimen, see all analysis in Description and Analysis sections.

Roubaultite : analyses by SEM/EDS + Raman

Astrocyanite-(Ce): analysis by SEM/EDS

Kamotoite: analysis y SEM/EDS + Raman

Roubaultite is one the most sought after species from Katanga almost never seen in the mineral market with only 3 known localities worldwide.

Don't miss the opportunity to get this extreme combo rarity !

Mineral Data
What's on the rock

Roubaultite

Formula: 
Cu2(UO2)3(OH)10·5H2O
Strunz: 
5.EA.25
Hardness: 
3.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, 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)

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)
Analysis
Analysis Report - only: Roubaultite Astrocyanite-(Ce) & Kamotoite-(Y)
Analysis Report - only: Roubaultite Astrocyanite-(Ce) & Kamotoite-(Y)
Analysis Report - only: Roubaultite Astrocyanite-(Ce) & Kamotoite-(Y)
Analysis Report - only: Roubaultite Astrocyanite-(Ce) & Kamotoite-(Y)

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