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: Granite, Basalt, Grit, Andesite, Diorite, Diabase, Travertine, Sandstone, Shale, Dolomite, Conglomerate, Phosphatic Rock, Evaporite, Mudrock, Marble, Slate, Eclogite, Schist, quartzite, Breccia.