Tanzanite is a rare form of blue to violet variety of Zoisite. It is a calcium aluminum silicate with trace amounts of Vanadium that cause the blue to violet color. Tanzanite is a pleochroic gemstone with some crystals being strongly trichroic. The gemstone name comes from its only known source on the planet, Tanzania.
Tanzanite is a powerful stone for meditation and exploring the higher realms of our consciousness.