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Publication Pyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceA cluster of pyrite crystals exhibiting the pyritohedral crystal form. Mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Chalcopyrite with minor tetrahedrite-tennantite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceA large plate of intergrown chalcopyrite crystals with very minor tetrahedrite-tennantite from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite with sphalerite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceIntergrowth of pyrite crystals exhibiting cubic and pyritohedral crystal forms with shiny, jet-black sphalerite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Rhodochrosite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceA large mass of intergrown pink, disc-shaped, flattened rhombohedral crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Sphalerite variety schalenblende(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth SciencePlate of interlocking spheres (botyroidal growth) of sphalerite, referred to as "schalenblende", from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Dolomite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceLarge plate of intergrown, pearly, rhombohedral dolomite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite, pseudomorph after marcasite with pyrite and sphalerite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceSeveral large clusters of intergrown (former) marcasite crystals that have been replaced by pyrite--on pyrite, on sphalerite.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.Publication Pyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth SciencePlate of interlocking pyritohedral crystals of pyrite from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceA single, highly modified cubic crystal from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Barite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceMineral specimen is from the Rocky Point claim, Eagle mine, Gilman mining district, Eagle County, Colorado, and shows intergrown translucent to transparent golden-brown crystals completely covering the specimen matrix.Publication New Jersey Zinc Co. souvenir ingot(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceMiniature zinc ingot cast by New Jersey Zinc Co., for sale to tourists as a souvenir.Publication Chalcopyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth SciencePlate of intergrown chalcopyrite crystals (many are tarnished to irredescent blues and purples) from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Sphalerite with siderite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceLustrous jet black sphalerite crystals with tan siderite from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceSmall plate of bright, shiny pyrite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Calcite stalactite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth SciencePearly, off-white stalactite of calcite from the Iron Mask mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite pseudomorphs after marcasite with minor sphalerite and galena overgrowths(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceCluster of intergrown (former) marcasite crystals that have been replaced by pyrite. Some surfaces have minor overgrowths of galena and sphalerite. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Chalcopyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth SciencePlate of intergrown, shiny golden yellow chalcopyrite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite with dolomite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceTiny, tarnished pyrite with sphalerite on pearly crystals of dolomite. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Quartz(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceTapered and etched single quartz crystal from the Eagle mine, Gilman mining district, Eagle County, Colorado.Publication Pyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceIntergrowth of bright shiny, striated cubes of pyrite from the Eagle mine, Gilman mining district, Eagle County, Colorado.