Heliodor is an exceptionally rare form of Beryl, the same mineral as Emerald & Aquamarine. Deep natural etching throughout this gem quality crystal create an endlessly compelling visual presentation. It stands 2.5 inches tall and weighs 3 oz. Karur, Tamil Nadu, India. 425 carats. 1.25" x 1 " x 2.5", 3 oz.