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.
Stannite: Cu2FeSnS4 Volfsonite: Cu+10Cu++Fe++Fe+++2Sn++++3S16
Comments: Bluish-black octahedron of stannite (also known as volfsonite). Location: Yaogangxian Wolfram mine, Yizhang County, Hunan Province, China. Scale: See Image. © Rruff Database
Comments: Stannite crystal cluster at the base of a quartz crystal. Volfsonite is now consideres stannite. Location: Yaogangxian mine, Hunan, China. Scale: Crystal size 3 cm. © John Attard
Stannite: Cu2FeSnS4 Zinkenite: Pb9Sb22S42
Comments: Acicular crystals of zinkenite perched on a twinned, crystal of stannite. Location: Mina San José, Oruro, Bolivia. Scale: 4 x 2.3 x 1.7 cm. © Fabre Minerals