Sterling Silver Malachite Ring for Men Rectangular Flat Solid Back Handmade, sizes 9 - 13 Natural Malachite Stone with Beautiful Color and Depth Malachite is a protection stone, absorbing negative energies and pollutants from the atmosphere and from the body. It guards against radiation of all kinds, clears electromagnetic pollution and heals earth energies All Handmade Ring with Excellent Workmanship and Great Finish All Solid Polished Sterling Silver with Solid Back and Very Hefty Men's Ring