This kyanite is from Nani Hill in Loliondo, Ngorongoro District, Arush Region, Tanzania. This location is well known for both the orange spessartite garnets and the unique orange kyanite crystals. Kyanite is a silicate contains the elements Al, Si,and O. It is typically blue in color but can be orange, black or other colors. This is a vee-twinned crystal that is double terminated and translucent with internal flawing. The luster is resinous to vitreous. It measures 29 x 20 x 11 mm.