WHITE MARBLE TRIPOLITE TOURMALINE TOPAZ STAR SAPPHIRE SOAPSTONE SLATE SILICATES SILICA SHALES SCHISTS SAPPHIRE SANDSTONE RUBY ROSE QUARTZ RHODONITE RED SLATE QUARTZITE QUARTZ PYRITE PUMICE OPAL ONYX OLIVINE OBSIDIAN MILLERITE MICA SCHIST MICA METEORITES MARBLE MAGNETITE MAGNESITE LODESTONE LIMESTONE LABRADORITE KYANITE KAOLIN JADE HIDDENITE HALITE GYPSUM GRAY SLATE GRAPHITE GRANITE GEYSERITE GARNET FRANKLINITE FLUORITE FELDSPAR EMERALD DOLOMITE DOLERITE CYANITE CUPRITE CRYSTALLINE QUARTZ CRYOLITE CORUNDUM COLUMBITE COBALTITE CINNABAR CHRYSOCOLLA CHRYSOBERYL CHLORITE CHALCOPYRITE CHALCEDONY CHABAZITE CARBOLOY CALCITE BORAX BLUE QUARTZ BLACK MARBLE BIOTITE MICA BENTONITE BAUXITE BASALT AZURITE ASBESTOS ARGENTITE AROGONITE AQUAMARINE ANHYDRITE AMPHIBOLE AMETHYST AMAZONITE ALUMINA ALMANDITE ALEXANDRITE ALBITE ALABASTER AGATE ACTINOLITE