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Libethenite & Cornetite

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PDM698515

Libethenite & Cornetite

Description Tabs

Description
Locality: 
Lukuni Mine, Lubumbashi, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.5 × 1.8 cm
Description

Sharp lustrous, dark green gemmy crystals of libethenite associated to blue crystallized cornetite. Rare locality specimen it was collected by Robert Verdoodt, who was working in the laboratories of Union Minière du Haut-Katanga and evacuated to Belgium after the beginning of the Congo crisis in 1960.

Mineral Data
What's on the rock

Libethenite

Formula: 
Cu2(PO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Monoclinic
Hardness: 
4.0
Type Locality: 
Podlipa deposit, Ľubietová (Libetbánya; Libethen), Banská Bystrica Co., Banská Bystrica Region, Slovakia

Cornetite

Formula: 
Cu3(PO4)(OH)3
Strunz: 
8.BE.15
Hardness: 
4.5
Type Locality: 
L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)...

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