Essential Mineral Kit

BR Scientific's Essential Mineral Kit includes 20 hand-selected specimens. Major rock-forming minerals and economic minerals are represented including silicates, carbonates, oxides, halides, phosphates, sulfides, and sulfates. Clear quartz  Milky quartz Plagioclase feldspar (albite or cleavelandite) Potassium feldspar (microcline or orthoclase) Muscovite mica Biotite mica Hornblende Olivine Actinolite Talc White calcite Hematite Magnetite Halite Fluorite Blue Apatite Sulfur Galena Pyrite Gypsum (var: selenite) *Specimens are individually labeled as 1-20. Labels are not pictured above.  The specimens are housed in a compartmented tray inside a sturdy box for years of use. A detailed information sheet is included, providing specimen name, chemistry, physical properties, and uses. Note that specimens type may differ depending on availability. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Want to make the most of your kit? Consider adding a Magnifying Hand Lens