Sakuraiite

Formula: (Cu,Zn,Fe)3(In,Sn)S4 From Alfredo Petrov: SAKURAIITE (sakurai-koh) Above: Sakuraiite, stannite, chalcopyrite, sphalerite, Ikuno Mine, Hyogo Prefecture, Japan. Width of view 14mm. Greenish-grey sakuraiite (running from top right to centre left) with mostly darker stannite, yellow chalcopyrite, and, under UV, sphalerite towards the top left. Ex Minerals Unlimited (old label). Ex...