The Book of Diamonds: Their Curious Lore, Properties, Tests and Synthetic Manufacture is a comprehensive guide to diamonds written by J. Willard Hershey and originally published in 1940. The book covers the history and lore of diamonds, including their use in jewelry and their association with royalty and wealth. It also discusses the physical and chemical properties of diamonds, as well as the various tests used to determine their quality and authenticity. The book also includes a section on the synthetic manufacture of diamonds, which was a relatively new field at the time of publication. Overall, The Book of Diamonds is a fascinating and informative read for anyone interested in the world of diamonds and gemstones.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.