Luzonite


Composition: Cu3AsS4
Crystal System : Tetragonal
Colours: Dark pinkish-brown
Lustre : Metallic, dull
Hardness : 3.5
Specific Gravity : 4.47
References: Strunz et al. (1958a)

Occurrence

  • Hypogene

Notable Finds

Numerous twinned crystals of luzonite on a 30 x 0 mm crystal of germanite were found in the third oxidation zone, probably from 45 Level. This is the only known occurrence of luzonite crystals at Tsumeb.