Back

CLASSIFICATION Andesite Argillite (Slate) Basalt Bluestone Breccia Conglomerate Coquina Coral Dacite Diabase Diorite Dolomite Gabbro Gneiss Granite Granodiorite Greenstone Labradorite Limestone Marble Melaphyre Pitchstone Pumice Pyrophyllite Quartz Quartzite Sandstone Schist Serpentine Shellstone Soapstone Syenite Travertine Tuff