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Duftite - Tsumeb Mine, Otjikoto Region, Namibia (#:MINS7856)

Bright dark green crystals of Duftite coating on the surface.Showy.

Formula :
PbCu^2+[OH/AsO4]

System: orthorhombic Hardness:3 Rarity:not common
Strunz id:VII/B.26-80 - PHOSPHATES, ARSENATES and VANADATES
Name origin: Named by Otto Pufahl in 1920 for Gustav Bernhard Duft [b. 1859 Clausthal, Germany - 1924?], second General Manager of the Tsumcor Mine (Tsumeb Mine), Namibia (~1906), but Duft was active in Namibia as early as 1892. Guillemin (1956) distinguished two kinds of duftite: "duftite-α" = duftite (space group Pnam) and (Ca-bearing) "duftite-β" = duftite (space group P212121).

Specimen weight:26 gr.
Crystal size:Sub-mm
Overall size: 33mm x 25 mm x 33 mm



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Duftite - Tsumeb Mine, Otjikoto Region, Namibia


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