2.5mm Afghani Multi Color Tourmaline faceted round beads present with a consistent 0.8mm interior diameter large drill hole making stringing effortless. Afghani Tourmaline Faceted Round Beads exhibit vitreous luster with highly brilliant bodies exhibiting hues of green, pink, yellow, in light to medium dark saturations and beautiful varied tones showing superior clarity and micro-faceted make. AAA exceptional quality