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Shabaite-(Nd) & Kamotoite-(Y)

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SMM964019

Shabaite-(Nd) & Kamotoite-(Y)

Type Locality

Description Tabs

Description
Locality: 
Kamoto East Open Cut, Kamoto, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.7 × 0.2 cm
Description

Wonderful micro!

Bundles of sharp, bright yellow, prismatic,"glassy"crystals of  rare Kamotoite-(Y) of excellent quality host more groups of tabular pale crystals with micaceous luster of Shabaite-(Nd), an extremely rare mineral find only in the its type locality. Very very cute specimen!

Just out of curiosity.
The known mineral species, with prevalent neodymium are about thirty.
This is one of three neodymium mineral species, shown in this auction, the others, which are always very rare are: gysinite-(Nd) and Schuilingite-(Nd).

Boxed with Label
Mineral Data
What's on the rock

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)

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)

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