Starfire optical crystal circle award on burlwood finished aluminum base. Lead free and also has low iron content. The removal of this pigmentation results in a a product that is equal in clarity to all but the finest optically clear crystal. Starfire crystal is manufactured in varying thicknesses up to 3/4″. Due to the extreme clarity of starfire crystal, the highly polished bevels and edges create a beautiful reflect, with a slight blue sparkle.