United Scientific Supplies UNROCMIN20 Rock and Mineral Collection, 20 Specimens

Features:

• This Collection contains 20 Types of Specimens, (10 Rocks Specimens of Igneous, Sedimentary& Metamorphic Rocks Types & 10 Minerals Specimens).
• The Rock Specimens include Some of the following Basalt, Granite, Pumic, Gniess, Marble, Quartizite, Serpentine, Bituminous Coal, Lime Stone, Sand Stone.
• The Minerals Specimens include Some of the following Agate, Calcite, Dolomite, Feldspar, Graphite, Gypsum, Magnetite, Pyrophilite, Quartz, Tourmaline.
• Average sizes are 2 cm X 3 cm X 1.5 cm