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

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JYJ795602

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

SEM-EDS & Raman confirmed specimen no 19-11-25-sk21

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: 
3.3 × 2 × 1.4 cm
Description

SEM-EDS & Raman confirmed specimen no 19-11-25-sk21 hosting bluish astrocyanite-(Ce), yellow laths of kamotoite-(Y), minor green roubaultite and rutherfordin with some becquerelite. 

Analysis attached.

 

Mineral Data
What's on the rock

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)

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