Aurora Borealis or Mystic White Topaz straight drilled faceted tear drops measure approximately5x4mm to 6x5mm in size, the gems are tear drop shaped with symmetrical shape, the gems have a metallic coating providing a oil in water iridescent effect on this extremely brilliant gem body, the gems are transparent with a purple-blue-mint hue, and the gems are a highly refractive gem with excellent make, great heft, and rich color.