Minerals Photo Gallery Left to right: Pyrite; Chalcopyrite Left to right: Galena; Magnetite; Bornite; Hematite Left to right: Azurite; Chrysocolla; Malachite Back row, left to right: Calcite; Halite; Fluorite; Quartz; Front row, left to right: Talc; Gypsum Left to right: Talc; Gypsum Left to right: Calcite; Halite Left to right: Fluorite; Quartz Left to right: Muscovite; Biotite Left to right: K-spar; Amazonite; Plagioclase Hornblende Left to right: Hematite; Limonite; Realgar; Sulfur Left to right: Garnet; Apatite; Corundum Left to right: Vanadinite; Wulfenite Left to right: Epidote; Olivine