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Cornetite

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WND803959

Cornetite

Rare Mineral
Type Locality

Description Tabs

Description
Locality: 
Star of the Congo Mine, Lubumbashi, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.5 × 1.2 cm
Description

Several clusters of deep blue crystals of rare copper phosphate cornetite from the typelocality. The crystals are well defined and mirror bright. They are richly scattered over the matrix. A good specimen.

Cornetite is named in honor of Jules Cornet, Belgian geologist (1865 - 1929)

Mineral Data
What's on the rock

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)...
Wendel Minerals

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