Handbook of Gem Identification by Richard T. Liddicoat, Jr.

This is a classic resource for anyone interested in the world of gemology. Written by Richard T. Liddicoat, Jr., this Handbook of Gem Identification has been a staple for jewelers and students for decades. It's a sturdy hardcover with a textured burgundy finish and gold lettering. Used, but the cover and binding have held up well over the years. It's a great addition to a reference library if you're looking to dive deeper into identifying stones.