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Publication Silver (sawed) with barite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceA solid mass of native silver from the Bulldog mine, Creede mining district, Colorado.Publication Quartz, variety amethyst on barite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceLight purple amethyst crystals covering and replacing barite. Mineral specimen is from the Bulldog mine, Bulldog vein, Creede mining district, Colorado.Publication Silver minerals in petrified wood(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceMineral specimen is from the Monkeymeyer mine, Creede mining district, Colorado. Petrified wood found in the Monkeymeyer sandstone unit of the Creede formation contained sufficient silver mineralization to be ore. Mr. Monkeymeyer operated a small mine and the sandstone unit was named for him.Publication Chalcopyrite with sphalerite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceDull, brassy chalcopyrite crystals on resinous brown to darker brown sphalerite. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit. This mineral specimen is from the Creede mining district, Colorado.Publication Pyrite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceMineral specimen represents one single pyritohedral crystal and is from the Creede mining district, Colorado.Publication Barite with micro pyromorphite crystals(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceIntergrowth of colorless blades of barite with a few scattered microcrystals of pyromorphite. Mineral specimen is from Bulldog mine, Bulldog vein, Creede mining district, Colorado.Publication Barite with quartz(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceOff-white bladed crystals with minor iron oxide staining. Mineral specimen is from the Bulldog mine, Bulldog vein, Creede mining district, Colorado.Publication Cerussite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceIntergrowth of white, cyclically twinned crystals from the Bulldog mine, Bulldog vein, Creede mining district, Colorado.Publication Silver (in jar)(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceJar of leaf/spangle silver from the Bulldog mine, Creede mining district, Colorado.Publication Sphalerite stalactites(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceStalactitic growth of sphalerite from the Bulldog mine, Creede mining district, Colorado.Publication Silver(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceBranching arborescent growth of silver crystals from the Bulldog mine, Creede mining district, Colorado.Publication Silver (wires)(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceThis mineral specimen is from the Creede mining district, Mineral County, Colorado, and shows a mass of silver wires with quartz.Publication Sphalerite on galena(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceMineral specimen is from the Commodore mine, Amethyst vein system, Creede mining district, Colorado. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit.Publication Silver in chalcedony nodule, in banded chalcedony and amethyst ("sowbelly agate")(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceCut slab polished on both sides ; one of six slices cut from the same piece of “sowbelly”. Mineral specimen is from the Last Chance mine ("Chance cave", 700' level), Amethyst vein, Creede mining district, Colorado.Publication Quartz, variety amethyst with quartz variety chalcedony; carved sowbelly agate sphere(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth SciencePolished sowbelly agate sphere (quartz variety amethyst with quartz variety chalcedony) from the Last Chance mine, amethyst vein, Creede mining district, Colorado.Publication Quartz, variety amethyst(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceQuartz, variety amethyst from the Amethyst vein, Creede mining district, Colorado, forming a vug in amethyst vein material.Publication Sphalerite with galena, quartz variety amethyst, and minor hematite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceMineral specimen is from the Commodore mine, Amethyst vein system, Creede mining district, Colorado. Some of the sphalerite exhibits twinning according to the spinel law, some of which has a polysynthetic habit. The galena crystals are, at least in part, skeletal with a stairstep arrangement of the cubic form.Publication Galena(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceBright gray, partly skeletal crystal from the Bulldog mine, Bulldog vein, Creede mining district, Colorado.Publication Galena with very thin coating of hematite(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceGrey crystals of galena with a thin reddish coating from the Amethyst mine, Amethyst vein, Creede mining district, Colorado.Publication Sowbelly agate (banded quartz varieties amethyst and chalcedony)(Colorado School of Mines. Arthur Lakes Library) Raines, Ed; Mines Museum of Earth ScienceSowbelly agate (banded quartz, varieties amethyst and chalcedony) from the Amethyst vein of Last Chance mine, Creede mining district, Colorado.