Tarbuttite

Kabwe Mine (Broken Hill Mine), Kabwe (Kabwe-Ka Mukuba), Kabwe District, Central Province  Zambia (±1929)

Specimen size: 2.8 × 2 × 1.5 cm = 1.10” × 0.79” × 0.59”
Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”