Gem Identification Made Easy 4/E
A Hands-On Guide To More Confident Buying & Selling
de Fga, Asa, Mga Antonio C. Bonanno e P.G. Antoinette Matlins
Sobre o livro
Covers the gems, synthetics, treatments and instruments. This book indicates how to identify diamonds, coloured gemstones and pearls, as well as separating them from fakes and look-alikes. It explains what instruments are needed and how to use them, where to obtain such instruments and what should be seen for each gemstone.