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| Doug Sherman | profile | all galleries >> Geology >> Minerals | tree view | thumbnails | slideshow |
 (MN1) Apatite crystals in calcite, Sludjanka, Russia |
 (MN2) Calcite on calcite with fluorite, Denton Mine, Cave-In-Rock, IL |
 Banded iron formation with tiger-eye, Mount Brockman, Australia |
 (MN4) Pyrite and quartz, Peru (Joyce Proper collection) |
 (MN5) Wulfenite, Red Cloud Mine, AZ |
 (MN6) Amyethyst, Las Vigas, Vera Cruz, Mexico |
 (MN7) Tourmaline, var. rubellite and quartz, Stewart Mine, Pala. CA |
 (MN8) Gypsum crystal |
 (MN9) Kyanite, Minas Gerias, Brazil |
 (MN10) Hessonite garnet, Asbestos, Quebec, Canada |
 (MN11) Agate, Minas Gerias, Brazil |
 (MN12 ) Conchoidal fracture in quartz. |
 (MN13) Watermelon tourmaline (var. elbiate) with lepidolite, Tourmaline Queen Mine, Pala, CA |
 (MN14) Azurite, malachite, and limonite, Copper Queen Mine, Bisbee, AZ |
 (MN15) Botryoidal hematite, Kidney Ore, Cumberland, England |
 (MN16) Rhodocrosite, Catamarca, Argentina |
 (MN17) Petrified wood, Chinle Fm., Holbrook, az |
 (MN18) Celestite and sulfur, Tarnobrze, Poland |
 (MN19) Adamite, calcite, and limonite, Ojuela Mine, Mapimi, Durango, Mexico |
 (MN20) Pyrite, Rico, CO |
 (MN21) Amazonite, Kola Peninsula, Murmansk, Russia |
 (MN22) Muscovite crystal in quartz |
 (MN23) Actinolite. Wrightwood, CA |
 (MN24) Fluorite covered with drusy quartz with calcite, Denton Mine, Cave-In-Rock, IL |
 (MN25) Corundum, var. ruby, Mysore, India |
 (MN26) Galena on fluorite, Denton Mine, Cave-In-Rock. IL |
 (MN27) Smithsonite, Kelly Mine, Magdalena, NM |
 (MN28) Stilbite and apophylite, Mysore, India |
 (MN29) Fluorite cleavage octahedrons, Denton Mine, Cave-In.Rock, IL |
 (MN30) Pyrite on dolomite |
 (MN31) Quartz, Hot Springs, AR |
 (MN32) Bornite, Butte, MT |
 (MN33) Quartz and calcite crystals in geode, Keokuk, IA |
 (MN34) Halite, Trona, CA |
 (MN35) Microcline, var. amazonite, Teller County, CO |
 (MN36) Quartz and ankerite crystals in geode, Keokuk, IA |
 Asbestos (Var. chrysotile), Quebec, Canada |
 Gypsum (Var.selenite), Mexico |
 Quartz on sphalerite, Denton Mine, Cave-In-Rock, IL |
 Agate, Minas Gerais, Brazil |
 Galena on dolomite with chalcopyrite, Tri-State District, Joplin, MO |
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