Ruby & Sapphires – Treatment and Identification

Ruby & Sapphires – Treatment and Identification (Decades of Advancement) by Dr. Visut Pisutha-Anond is a reference book highly recommended for gemology students and practicing gemologists.

This book includes coloured inclusion photos and well organised contents that include:

• History of heat treatment of corundum
• Methods of heat treatment
• Latest advancements
• How to identify treatment
• Beryllium diffusion features and characteristics
• And more…

Please make sure you have included your mailing address accurately. Only applicable for shipping in Singapore.