Ombré Black and Green Tourmaline Straight Drilled Plain Nugget Beads measure approximately 9x7mm to 11.5x9mm and have approximately 36 gems on the strand. The gems have a vitreous luster and the beads transition from a transparent medium avocado green to an opaque black hue. This strand of Tourmaline beads have internal characteristics with some surface irregularities and are well matched on the strand.