Tanzanite Faceted Heshi Beads measure approximately 3mmto 7mm in diameter, gemstones have a glass like luster showing excellent polish, and a symmetrical faceted tyrerondelle shape for these brilliant transparent beads. These Tanzanite beads are well matched forrichly saturated violet and blue hueson the strand due to thepleochroicnature of Tanzaniteand show slight internal characteristics. AA Quality