Simon and 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 than 100 rare varieties minerals whose beauty and mystery have possessed our imaginations from time immemorial. More than 450 brilliant photographs accompany profiles of each gem, covering such aspects as appearance, physical properties - density, hardness, refraction - occurence, and how to judge quality and value. Additional sections describe the process of cutting gemstones and the techniques professional geologists use to evaluate the stone's weight and optical properties. Simon and Schuster's Guide to Gems and Precious Stones is organized into three major sections: Natual Stones and Gems, Organic Gems, and Synthetic and Artifical Products. Detailed and comprehensive, this book is essential for anyone interested in the study of gems and precious stones.
Gem and Precious Stones