Multi-Color Tourmaline- Brazil Sulfur or kaolinite

or kaolinite

Their shapes and luster are totally natural

but to concentrate all that is helpful for a human being

Another type can be found as well formed crystals

Blue coloration is caused by the presence of titanium and iron

Multi-Color Tourmaline- Brazil Sulfur or kaoliniteAlbite (Elbaite) also known as Tourmaline is a group of mixed crystals with the following major members, Elbaite, Dravite, Schorl, Buergerite, Tsilaisite, and Uvite. The general color range of the mineral's family are colorless, pink, green, blue, yellow, brown, and black. What distinguishes tourmalines are the three sided cross sections that are different than any other mineral.