Tanzanite-gemstone

Tanzanite is the blue to violet gem variety of the mineral Zoisite. Since its relatively recent discovery in 1967, it has become a mainstream and popular gemstone, and is used extensively in jewelry. to date , Tanzanite is found in the Arusha region of the African country of Tanzania, and it was named its country of origin.its most power full spiritual powers.the person who born in
December he use as birth stone.its very attractive stone.its help to improve your personality.



Chemical Formula: Ca/2Al/3(SIO/4)/3(OH)

Color                    : ,Blue,purple

Hardness              : 6 - 6.5

Crystal system      : Orthorhombic

Refractive index   : 1.69-1.79

SG                        : 3.2 - 3.4

Transparency        : 

Double Refraction: .009

Luster                   :  vitreous

Cleavage              :  1,1

Mineral Class       :  zoisite

Sources:
             The world only sources of Tanzanite is the Meralani Hills, Arusha, Tanzania .