These rock collection set include a variety of igneous, sedimentary, and metamorphic rocks. Currently we have: 4 Metamorphic collections Amphiloblite, Hornfels, Augen Gneiss, Biotite Gneiss, Garnet-Wollastonite Skarn, Mica Schist, Garnetiferous Schist, Hornblende Schist, Marble, Quartzite, Serpentine, Soapstone, Phyllite, Red Slate, Gray Slate. 4 Sedimentary collections Conglomerate, Sandstone, Shale, Silstone, Chert, Arkose, Limestone, Rock Salt, Rock Gypsum, Travertine, Oolitic Hematite, Coquina, Bituminous Coal, Lignite Coal, Clay. 4 Igneous collections Diorite, Gabbro, Graphic Granite, Granite, Pyroxenite, Monzonite, Andesite, Basalt, Rhyolite, Porphyry, Hornblende Syenite, Obsidian, Scoria, Pumice, Tuff. Click the checkout tab to check this item out.