Buying colored gems is a challenge. To make a wise choice, you must be able to judge their color, flaws, transparency, and brilliancy. The Gemstone Buying Guide will show you how. Written for both consumers and professionals, it is easy to read, has over 200 color photos, and gives practical pointers on how to buy the best stone for the money. Whether you're interested in jade, opal, ruby, topaz, spinel, garnet, tourmaline, or some other colored gem, you'll find the Gemstone Buying Guide to be a fascinating and valuable resource. The Gemstone Buying Guide gives straight talk price comparison, quality evaluation, fake stones, gem treatments, gem cleaning and care, and savvy buying.