Liknande böcker
Gem Identification Made Easy : A Hands-on Guide to More Confident Buying and Selling
Bok av Antonio C. Bonanno
This is the first and only book that explains in non-technical terms how to use pocket, portable and laboratory instruments to identify diamonds and coloured gems and to separate them from imitations and 'look-alikes'. The book's approach is direct and practical, and its style easy to understand. With this highly accessible guide, anyone can begin to master gem identification.