This tourmaline is from Minas Gerais, Brazil. It is a cross-sectional slice of an elbaite, varieties rubellite and rubellite, tourmaline that has been polished front and rear to a gem luster. The perimeter is natural. The center of the slice is a pink to red rubellite and the rind or exterior or rind is a green verdelite tourmaline This piece measures 20 x 19 x 3 mm. It weighs 12 carats.