• Barite

      Raines, Ed; Mines Museum of Earth Science
      Mineral 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.
    • Barite

      Raines, Ed; Mines Museum of Earth Science
      Intergrowth of translucent to transparent golden-brown barite crystals on matrix from the Rocky Point claim, Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Barite on galena

      Raines, Ed; Mines Museum of Earth Science
      Intergrowth of translucent to transparent golden-brown barite crystals with gray cubic crystals of galena from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Calcite stalactite

      Raines, Ed; Mines Museum of Earth Science
      Pearly, off-white stalactite of calcite from the Iron Mask mine, Gilman mining district, Eagle County, Colorado.
    • Chalcopyrite

      Raines, Ed; Mines Museum of Earth Science
      Plate of intergrown chalcopyrite crystals (many are tarnished to irredescent blues and purples) from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Chalcopyrite

      Raines, Ed; Mines Museum of Earth Science
      Plate of intergrown, shiny golden yellow chalcopyrite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Chalcopyrite on pyrite

      Raines, Ed; Mines Museum of Earth Science
      Rough, dull golden chalcopyrite crystals on bright brassy pyrite crystals. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Chalcopyrite with minor tetrahedrite-tennantite

      Raines, Ed; Mines Museum of Earth Science
      A large plate of intergrown chalcopyrite crystals with very minor tetrahedrite-tennantite from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Dolomite

      Raines, Ed; Mines Museum of Earth Science
      Large plate of intergrown, pearly, rhombohedral dolomite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Fluorapatite, chalcopyrite, and sphalerite on pyrite

      Raines, Ed; Mines Museum of Earth Science
      Squatty, glassy prisms of fluorapatite scattered in among chalcopyrite and sphalerite crystals. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Galena, sphalerite, and dolomite/ankerite and minor pyrite

      Raines, Ed; Mines Museum of Earth Science
      Metallic-gray galena cubes and small shiny black sphalerite crystals mixed with zoned white rhombohedrons of dolomite covered by an outer layer of tan ankerite. Minor pyrite crystals are also scattered over the specimen which is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • New Jersey Zinc Co. souvenir ingot

      Raines, Ed; Mines Museum of Earth Science
      Miniature zinc ingot cast by New Jersey Zinc Co., for sale to tourists as a souvenir.
    • Pyrite

      Raines, Ed; Mines Museum of Earth Science
      Plate of interlocking pyritohedral crystals of pyrite from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Pyrite

      Raines, Ed; Mines Museum of Earth Science
      A cluster of pyrite crystals exhibiting the pyritohedral crystal form. Mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Pyrite

      Raines, Ed; Mines Museum of Earth Science
      A single, highly modified cubic crystal from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Pyrite

      Raines, Ed; Mines Museum of Earth Science
      Small plate of bright, shiny pyrite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Pyrite

      Raines, Ed; Mines Museum of Earth Science
      Intergrowth of bright shiny, striated cubes of pyrite from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Pyrite pseudomorphs after marcasite with minor sphalerite and galena overgrowths

      Raines, Ed; Mines Museum of Earth Science
      Cluster 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.
    • Pyrite with dolomite

      Raines, Ed; Mines Museum of Earth Science
      Tiny, tarnished pyrite with sphalerite on pearly crystals of dolomite. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
    • Pyrite with sphalerite

      Raines, Ed; Mines Museum of Earth Science
      Highly modified pyrite crystals with sphalerite from the Eagle mine, Gilman mining district, Eagle County, Colorado.