Chalcopyrite
Lady Alice Mine, Humbug Scrub Diggings, Barossa and Para Wirra Goldfields, Williamstown, South Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia
Botryoidal chalcopyrite ('blister copper') from the Lady Alice mine, Barossa Valley, S.A. Specimen is 4 cm across.
© B. Grguric