Gems and Gem Materials

ix, 332 pp. "From the dawn of time to the present day, gemstones have had a major role in the development and progress of the human race. This fascinating book provides a wealth of gemological information, including historical analyses and scientific methodologies that conduce to make this a veritably encyclopedic study of all aspects of the field. Both accessible and scientific at the same time, this fascinating book is perfect for anyone with an interest in gemology and constitutes a great addition to any collection of gemological literature. Chapters contained herein include: Crystal Forms, Physical Properties, Optical Properties, Crystal Structure and X-Ray Methods, Chemical Properties, Formation and Occurrence of Gem Minerals, Cutting and Polishing of Gems, Manufactures Gems, and many more."