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Guilleminite & Derriksite

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SYA919729

Guilleminite & Derriksite

Ex Coll. Dr. Josef Lhoest, Liege
Radioactive

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.7 × 1.5 cm
Description

Sharp yellow crystals of guilleminite and dark green derriksite crystals in association with orange kasolite crystals.

A colorful combination specimen from the collection of  Dr. Josef Lhoest, Liege.

Musonoi is the Type Locality of Guilleminite and Derricksite

 

Mineral Data
What's on the rock

Guilleminite

Formula: 
Ba(UO2)3(SeO3)2(OH)4·3H2O
Strunz: 
4.JJ.10
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 0.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Derriksite

Formula: 
Cu4(UO2)(SeO3)2(OH)6·H2O
Strunz: 
4.JG.30
Hardness: 
0.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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