Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Sperrylite: PtAs2 Cabriite: Pd2SnCu
Comments: Polished section (PPL) image of a ovoid grain of cabriite (Ca) rimmed by native silver (Ag) in a matrix of brownish cubanite (Cu), with tawny chalcopyrite (Cp). Surrounded on three sides by coarse, millimetric crystals of sperrylite (Sp). Location: Noril’sk-Talnakh mining district of northwestern Russia. (CanMin, v40:473). Scale: Feld of view 1.2 mm. © Canadian Mineralogist
Sperrylite: PtAs2
Comments: Brilliant, mirror-like modified octahedral crystals of sperrylite to 1.3 cm on chalcopyrite matrix.. Location: Talnak deposit, near Noril'sk, Russia. Scale: 4.4 x 2.3 x 2cm. © Tom Loomis / Dakota Matrix
Comments: Small crystal of dull gray cabriite on a larger tin-white sperrylite crystal. Location: Dzhezhazgan, Kazakhstan. Scale: Crystal size 1.5 mm. © John Veevaert
Comments: Tin-white grain of sperrylite in chalcopyrite matrix. Location: Vermillion mine, Sudbury, Ontario, Canada. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals