One side polished, one side as it naturally occurs, noth react wtih a rainbow of colors at the right angle! 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. Self standing. Madagascar. 5.25" x .5" x 3.5", 11.7 oz.