Gem identification made easy
Auteur :
Matlins, Antoinette / Bonanno, Antonio C
Éditeur :
The Crowood Press Ltd
ISBN :
9780719802515
Date de publication :
1 nov. 1995
Dimensions :
22,9 x 15,2 x 3,0 cm
Poids :
797 g
Langue :
Anglais
Pays d'origine :
Grande Bretagne
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'.