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Tyuyamunite & Malachite

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SMM684824

Tyuyamunite & Malachite

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2.5 cm
Description

I had this sample from a Belgian gentleman who personally found the tyuyamunite in the Congo.
From his story I learned that this beautiful uranium ore in Congo was found only once, in the Mashamba mine and never more since then. So it is not very common to see samples of Congolese tyuyamunite in circulation on the market. This beautiful, rich sample host several groups of  sharp, lemon-yellow crystals of tyuyamunite in many corners, holes and vugs of its matrix accompained with green acicular crystals of malachite. Very very nice.

Boxed with Label
Mineral Data
What's on the rock

Tyuyamunite

Formula: 
Ca(UO2)2(VO4)2·5-8H2O
Strunz: 
4.HB.25
Hardness: 
1.5 - 2.0
Type Locality: 
Tyuya-Muyun Cu-V-U deposit (Radium Mine), Alai Range (Alay Range), Osh Oblast, Kyrgyzstan

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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