American Gems and Precious Stones is a historical book written by George Frederick Kunz in 1883. The book provides a comprehensive overview of the various types of precious stones found in America, including diamonds, rubies, sapphires, emeralds, and pearls. Kunz, who was a renowned gemologist and mineralogist, delves into the geological origins of these stones and their characteristics, as well as the history of their discovery and use in jewelry...