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Demesmaekerite

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JYJ616742

Demesmaekerite

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2.4 cm
Description

Rare pale olive green demesmaekerite crystals with kasolite/guilleminite and malachite.  Rich specimen, rare Se bearing mineral. 

 

References: 

Bull.Soc. fr.Min.Crist.(1965) 88, 422-425

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)