Formula: PbCu(AsO₄)(OH)

Species: Arsenates

Colour: Olive-green, grey-green

Lustre: Sub-Vitreous, Resinous, Waxy, Dull

Hardness: 4½

Specific Gravity: 6.12

Crystal System: Orthorhombic

Member of: Adelite-Descloizite Group; Conichalcite-Duftite Series. Duftite-Mottramite Series.

Name: Named by Otto Pufahl in 1920 for Gustav Bernhard Duft [1859-1924], 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).

Type Locality: Originally described from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia.