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Shabaite-(Nd) & Françoisite-(Nd)

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SMM865769

Shabaite-(Nd) & Françoisite-(Nd)

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Kamoto East Open Cut, Kamoto, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1 cm
Description

On a bright yellow bed of sparkling crystalline rare françoisite-(Nd), lie some crystals of shabaite-(Nd), an extremely rare mineral find only in its type locality. Kamoto is the type locality of both these rare species. 

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)

Françoisite-(Nd)

Formula: 
(Nd,Ce,Sm)(UO2)3(PO4)2O(OH)·6H2O
Strunz: 
8.EC.05
Crystal System: 
Monoclinic
Hardness: 
3.0
Colour: 
Yellow
Type Locality: 
Kamoto East Open cut, Kamoto, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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