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.
Troilite: FeS Cohenite: (Fe,Ni,Co)3C Kamacite: alpha-(Fe,Ni) Taenite: gamma-(Fe,Ni)
Comments: Brown masses of troilite, with white cohenite, in kamacite/taenite matrix, in meteorite (polished section). Location: Meteor Crater, Canyon Diablo, Coconino County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Troilite: FeS Kamacite: alpha-(Fe,Ni) Taenite: gamma-(Fe,Ni)
Comments: Polished and acid etched slice, with crust, illustrating Widmanstaaten lines, with taenite darker areas between kamacite crystals, with tarnished troilite inclusions, in fine octahedrite meteorite. Location: Gibeon Meteorite, found 1836, Great Namaqualand, Hardap, Namibia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species