"Dictionary of Gems and Gemology" by Mohsen Manutchehr-Danai
Third Edition. With approx. 27 000 entries and 1500 figures
Sрringеr | 2009 | ISBN: 9783540728177 9783540728160 9783540727958 | 1030 pages | PDF | 179 MB
Many entries in this edition have been improved and circa 500 new terms have been added. It includes more than 27,000 entries, 1,500 graphic figures, and nearly 50 tables. New entries include notable sapphires (comprising blue sapphires, sapphires of other colors, engraved or carved sapphires), notable rubies (engraved or carved rubies), and corundums.