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.
Pizgrischite: (Cu,Fe)Cu14PbBi17S35
Comments: Pizgrischite crystals spray partially altered into malachite (green) and bismutite (yellow) in a fine-grained quartz matrix. (CanMin, v45:1229). Location: Piz Grisch Mountain, Val Ferrera, Graubünden, Switzerland. Scale: Picture size 4 cm. © Canadian Mineralogist
Comments: SEM images of twinned pizgrischite crystals extracted from quartz matrix by treatment with dilute hydrofluoric acid. (CanMin, v45:1229). Location: Piz Grisch Mountain, Val Ferrera, Graubünden, Switzerland. Scale: See Image. © S. Ansermet/Canadian Mineralogist