Top grade Labradorite, polished on one side, natural on the other, spectacular color on both sides. Labradorite is a spectacularly iridescent mineral which exhibits different colors depending on the angle of the viewer. Labradorescence is not the superficial coloring of the stone, but a property of the light reflected by a surface within. Madagascar. 5" x 1.5" x 5", 1.5 lbs.