Sunstone Plain Rondelle measure approximately 6mm up to 16.5mm in diameter, gemstones exhibit vitreous luster, these beads exhibit an excellent polish, the beads have outstanding symmetry on this plain rondelle shape, these Sunstone beads provide a superb medium reddish Tangerine Orange tone on the strand, the beads provide a high brilliance throughout the well matched group, and this transparent gemstone provides a phenomenal characteristic from minute hematite platelets producing a metallic sparkle to the beads. Beautiful!