Vanadinite
Vanadinite is easily identifiable by its perfect hexagonal crystals. The crystals are invariably a vibrant red but can be various shades from amber, to brown and red as well as brown and yellow. Vanadinite is found in South Africa, Namibia and Zimbabwe
Chemical Formular : Pb5(VO4)3Cl
Refractive Index : 0.188-1.937
Hardness : 2½ – 3 on the Mohs Scale
Crystal System : Hexagonal