Raines, Ed2018-05-182022-02-032018-05-182022-02-03https://hdl.handle.net/11124/172311Mineral specimen donated to the Colorado School of Mines Geology Museum in 2012.Photographed by Ed Raines.Specimen size: 8 x 5 1/4 x 2 inches.A large plate of intergrown chalcopyrite crystals with very minor tetrahedrite-tennantite from the Eagle mine, Gilman mining district, Eagle County, Colorado.For more information about the Minerals of Gilman, Colorado and the collection, see: http://libguides.mines.edu/GeologyMuseum/digitalcollectionsGilman.born digitaldigital photographsCopyright of the original work is retained by the photographer.tetrahedrite-tennantiteMines and mineral resources -- Colorado -- Eagle CountyChalcopyrite -- Colorado -- Eagle CountyChalcopyrite crystalsGilman Mining District (Colo.)Eagle Mine (Colo.)Image