Raines, Ed2018-05-182022-02-032018-05-182022-02-03https://hdl.handle.net/11124/172302Mineral specimen donated to the Colorado School of Mines Geology Museum by New Jersey Zinc Company.Photographed by Ed Raines.Specimen size: 14 x 10 x 6 inches.Several large clusters of intergrown (former) marcasite crystals that have been replaced by pyrite--on pyrite, on sphalerite. This mineral specimen is 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.Mines and mineral resources -- Colorado -- Eagle CountyPyrites -- Colorado -- Eagle CountySphalerite -- Colorado -- Eagle CountyCrystalsMarcasite -- Colorado -- Eagle CountyGilman Mining District (Colo.)Eagle Mine (Colo.)Image