Idocrase Plain Round Beads measure approximately 4.5mm to 5mm in size, these gemstones have a vitreous luster, an excellent polish on their symmetrical round shape, and these gems are translucent with very minute internal characteristics. This group of Idocrase (also know as Vesuvianite) is extremely brilliant, and gems are deeply saturated green hues for World Class Idocrase with superior make.