Mineral specimen collection,teaching tool is 15 kinds of mineral composition, also according to the customer's request can be re-mix, Customers can also DIY.Ithas Pin, a piece of porcelain , a magnifying glass and instruction book.15 kinds mineral as below: ================================================================== 1.Fluorite ,2.Feldspar:Microline,3.Hematite ,4.Pyrite ,5.Quartz:Milky , 6.Calcite ,7.Mica:Muscovite ,8.Magnetite ,9.Gypsum:Alabaster ,10.Talc, 11.Pyrolusite ,12.Mica:Biotite,13.Graphite,14.Gypsum:Satin Spar,15.Gyspum:Selenite ================================================================== Mineral specimen size is(LxWxH) 1.18inch x 0.8inch x 0.4inch, box size is 7.28inch x 4.9inch x 1.38inch. It is suitable for teaching tools for all school.