Very rare. As microscopic inclusions in sulphide ores, but as crystals in the third oxidation zone.
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.
Paragenetic and General Notes
Luzonite is the tetragonal dimorph of enargite.
Bartelke (1976) described yellowish to steel-grey inclusions in sulphide ores.