Prasiolite Top Drilled Trillions measure approximately 5x5mm to 15x15mm in size, gemstones show a vitreous luster, Prasiolite beads have an excellent polish and excellent faceting, exhibit a symmetrical trillion shape that is top drilled for a full bodied appearance, these Prasiolite gemstones are a transparent with slight internal characteristics, and these Prasiolite exhibit a slightly yellowish mint green hue with superior brilliance.