Description This Collection contains 50 Types of Rocks Specimens of Igneous, Sedimentary & Metamorphic Rocks Types. The Rock Specimens include Andesite, Anthresite, Basalt, Bituminous Coal, Breccia, Chalk Lumps, Chert, Conglomerate, Diatomite, Diorite, Dolerite, Flint, Gabbro, Gniess, Granite Black, Granite Phorphery, Granite Red, Granite White, Khondalite, Kimberlite, Lime Stone Black, Lime Stone Silicious, Lime Stone White, Marble Black, Marble Chocolate, Marble Green, Marble Pink, Marble White, Marble Yellow, Mud Stone, Obesidian Black, Obesidian Green, Pegmatite, Pegmatite Mica, Phylite, Pumic, Quartizite Black, Quartizite Gray, Quartizite Green, Quartizite Pink, Quartizite White, Quartizite Yellow, Rhyolite, Rock Phosphate, Rock Salt, Sand Stone Red, Sand Stone Silicious, Serpentine, Shale, Slate etc.