It is specially prepared for the teaching of geography and chemistry in middle schools, and they can be as well used for practice class of the two subjects.
It consists of: Obsidian, Perlite, Pumice, Vesicular Basalt, Massive Basalt, Volcanic Breccia, Andesite, Rhyolite, Gabbro, Diabase, Alaskite, Granite-porphyry, Alkali-feldspar Granite, Monzonite Granite, Moyite, Diorite, Granodiorite, Quartz Monzo-diorite, Siltstone, Quartz Sandstone, Mudrock, Shale, Carbonaceous Shale, Chert, Evaporite, Tuff, Shell LimeStone, Travertine, Marlite, Dolomitic Limestone, Phosphatic Rock, Conglomerate, Breccia, Gravel, Marble, Ophiolite, White Marble, Serpentinite, Skarn, Quartzite, Eclogite, Migmatite, Leptite, Slate, Phyllite, Blue-schist, Sericite-schist, Gneiss, Granite-gneiss, Greenstone, Amphibolite, Anhydrite, Ice-like Gypsum, Fibrous Gypsum, Serpentine, Garnet, Dolomite, Chalcedony, Rutile, Pyrophyllite, Fluorite, Calcite, Orthoclase, Wollastonite, Barite, Quartz, Mountain Crystal, Talc, Asbestos, Sericite, Muscovite, Montmorillonite, Malachite, Apatite, Cinnabar, Pyroxene, Andalusite, Graphite, Bituminous Coal, Anthracite, Peat, Realgar, Kaolinite, Bauxite, Bornite, Chalcopyrite, Magnetite, Limonite, Hematite, Siderite, Pyrite, Magnesite, Cassiterite, Scheelite, Wolframite, Manganese Ore, Galena, Sphalerite, Molybdenite, Antimonite.