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Carnotite Volborthite

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SMM1005127

Carnotite Volborthite

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 1.5 cm
Description

Many, beautiful fan-shaped clusters of sharp yellow carnotite crystals standing out on a bed of dark radial clusters of goethite crystals. On one side a nice crystalline group of pale green volborthite is visible. A very fine specimen for perfection of shape, freshness of color and richness, specimen of uncommon quality for this uraniferous species.

Excellent!

"Personal Selection"

Boxed with Label
Mineral Data
What's on the rock

Carnotite

Formula: 
K2(UO2)2(VO4)2·3H2O
Strunz: 
4.HB.05
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
Rajah Mine, Uravan District, Montrose Co., Colorado, USA

Volborthite

Formula: 
Cu3(V2O7)(OH)2·2H2O
Strunz: 
8.FD.05
Hardness: 
3.5
Type Locality: 
Sofronovskii Cu Mine, Yugovskii Zavod, Perm', Permskaya Oblast', Middle Urals, Urals Region, Russia...

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