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Demesmaekerite On Kasolite Guilleminite

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SMM907971

Demesmaekerite On Kasolite Guilleminite

Perimorphosis of kasolite on demesmaekerite

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 3 cm
Description

Beautiful small-miniature with a lot of sharp crystals of demesmaekerite totally covered/replaced with yellow kasolite.
A beautiful perimorphosis of tiny yellow kasolite crystals on sharp and well-formed crystals of rare demesmaekerite, rest on carpets of acicular malachite green crystals and embellished by long intertwined crystals accompanied by some groups of yellow prismatic crystals of guilleminite. Very good specimen!

Musonoi is type locality for demesmaekerite.

"Personal Selection"

Boxed with Label
Mineral Data
What's on the rock

Demesmaekerite

Formula: 
Pb2Cu5(UO2)2(SeO3)6(OH)6·2H2O
Strunz: 
4.JJ.20
Crystal System: 
Triclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Kasolite

Formula: 
Pb(UO2)[SiO4]·H2O
Strunz: 
9.AK.15
Hardness: 
4.0 - 5.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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)

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