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Astrocyanite-(Ce) & Kamotoite-(Y)

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JYJ754196

Astrocyanite-(Ce) & Kamotoite-(Y)

EDS, XRD & Raman conf. no 19-11-25-sk21

Description Tabs

Description
Locality: 
Kamoto East Open Cut, Kamoto, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.3 × 2.3 cm
Description

Bluish-green astrocyanite-Ce associated with yellow kamotoite-Y, grass green marthozite and minore transparent becquerelite and beige, opaque rutherfordin. All the species have been analysed by XRD, EDS and Raman spectroscopy. Analysis attached to the analytical section. 

Below is a list of the confirmation method:

kamotoite-Y: EDS & Raman confirmed (second and third analysis that is attached)

astrocyanite-Ce: EDS confirmed, unique in composition  (first analysis attached)

marthozite: Raman, EDS & XRD confirmed (on request)

rutherfordine: Raman & EDS confirmed (on request)

becquerelite: EDS & XRD confirmed (fourth and fifth analysis attached)

EDS, XRD & Raman conf. no 19-11-25-sk21

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