Raines, Ed2017-12-052022-02-032017-12-052022-02-03https://hdl.handle.net/11124/171932Acquired by Colorado School of Mines Geology Museum in 2016.Photographed by Ed Raines.Specimen size: 2 1/2 x 2 x 1 1/4 inches.Ktenasite is a rare mineral. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit. Mineral specimen is from the #5 level tunnel, Commodore mine, Amethyst vein, Creede mining district, Colorado.For more information about the Minerals of Creede, Colorado and the collection, see: http://libguides.mines.edu/GeologyMuseum/digitalcollectionsCreede.born digitaldigital photographsCopyright of the original work is retained by the photographer.ktenasiteMines and mineral resources -- Colorado -- Mineral CountyCreede Mining District (Colo.)Commodore Mine (Colo.)SphaleriteCrystalsImage