Idocrase Faceted Rondelles measure approximately 3mm to 4mm in diameter size, have a vitreous luster, have excellent polish and faceting on a symmetrical rondelle shape with consistent depth, gems are a transparent quality with very slight internal characteristics such as minor feathering, and gems are a medium very strongly yellowish olive green (grass green) hue for fabulous and beautiful gem strand of superior make grading as AA quality.