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Buying colour gems is a challenge. To make a wise choice, you must be able to judge their colour, flaws, transparency and brilliancy. This guide will show you how. Written for both consumers and professionals, it is easy to read, has over 200 colour photographs and gives practical pointers on how to buy the best stone for the money. Whether you are interested in jade, opal, ruby, topaz, spinel, garnet, tourmaline or some other coloured gem, you will find this guide to be a fascinating and valuable resource. Topics covered include: price comparison; gem treatments; quality evaluation; gem cleaning and care; fake stones; savvy buying.
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