Mines Museum of Earth Science: Recent submissions

Now showing items 21-40 of 72

    • 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.

    • Sphalerite variety schalenblende
      Raines, Ed; Mines Museum of Earth Science
      Plate of interlocking spheres (botyroidal growth) of sphalerite, referred to as "schalenblende", 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.

    • 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.

    • 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
      Small plate of bright, shiny pyrite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.

    • Sphalerite with siderite
      Raines, Ed; Mines Museum of Earth Science
      Lustrous jet black sphalerite crystals with tan siderite 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.

    • 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.

    • 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.

    • Quartz
      Raines, Ed; Mines Museum of Earth Science
      Tapered and etched single quartz crystal 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.

    • Sphalerite with minor pyrite
      Raines, Ed; Mines Museum of Earth Science
      Irregular mass of sphalerite crystals (with an iridescent tarnish) and a few scattered pyrite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.

    • Siderite on chalcopyrite
      Raines, Ed; Mines Museum of Earth Science
      Complex intergrowths of siderite discs on tarnished chalcopyrite from the Eagle mine, Gilman mining district, Eagle County, Colorado.

    • Sphalerite
      Raines, Ed; Mines Museum of Earth Science
      Plate of shiny, jet black sphalerite 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.

    • Siderite on sphalerite on pyrite
      Raines, Ed; Mines Museum of Earth Science
      Small discs of siderite, on black sphalerite crystals, on pyrite. 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.

    • 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.

    • 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.