Gem Identification Made Easy - Antonio C, FGA, ASA, MGA Bonanno, Antoinette Leonard Matlins

Gem Identification Made Easy 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'. This work helps you learn how to tell the difference between them; and recognize the limitations of your skill and when to employ the services of a professional gemmologist or laboratory. The book's approach is direct and practical, and its style easy to understand. With this highly accessible... Zobrazit více