Tourmaline is the most colorful of all gemstones. It occurs on all colors, but pink, red, green, blue and multicolored are it’s most well-known gem colors. Scientifically, tourmaline is not a single mineral, but a group of minerals related in their physical and chemical properties.

The mineral Elbaife is the member of the Tourmaline group that is responsible for almost all the gem varieties. Three other members of the group – Schorl, Dravite and Liddicoatite, are seldom used as gemstones.