Identify types of rocks and mineralsOnline version Identify types of rocks and minerals by CO GP 1 Igneous rock 2 Sedimentary rock 3 Metamorphic rock 4 MIneral Basalt Granite Obsidian Pumice Scoria Bituminous coal Conglomerate Sandstone Shale Fossiliferous limestone Gneiss Garnet schist Marble Quartzite Slate Calcite Copper Fluorite Galena Halite Talc