MOS and Absolute Hardness of most common gemstones used in jewelry design. The Hardness of Gemstones This information is not meant as a treatise on the hardness of gemstones, but rather is provided to offer a brief introduction to the topic. Although you may not have been sitting by the computer just hoping for an article on this fascinating topic to pop up on your screen, you might find it both interesting and helpful.
Demonstrates easy, effective ways to embellish common metal jewellery. The author uses paints, pencils and dips to achieve dramatic colour; applies foils, resins, mica and other materials to alter the jewelry's surface and works with unusual techniques, like the ancient Korean art of Keum Boo, to create a gold-gilt effect.