Simon & Schuster's Guide to Gems and Precious Stones provides both the connoisseur and the casual collector with a compact, easy-to-use volume describing more t

Unearth a treasure trove of knowledge on over 130 gemstones from around the world. Learn how gemstones are formed and how to recognize them by their unique qual

Contains descriptions and photographs of approximately six hundred minerals, rocks, and meteorites, providing information about the history, origin, structure,