Labradorite Faceted Heshi measure approximately 4.5mm to 5mm in diameter, the medium dark greyish green bodies have a vitreous luster, beads are symmetrical in shape, have excellent polish and faceting, and show internal characteristics common to labradorite which gives the stone its unique phenomenon called Labradorescense which shows as bright color flashes in hues of yellow, blue, green, and violet.