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Ratings : ★★★★★ (4.8/5)
Genre : Gemology / Science / Reference / Non-Fiction

Review:
''Gemstones of the World by Walter Schumann is the definitive reference guide for gem enthusiasts, jewelers, and collectors alike. This comprehensive survey features 1,500 gemstones illustrated in full color, making it an invaluable visual resource. The book covers every aspect of gemology, including formation and structure, crystal systems, hardness, cleavage, specific gravity, optical properties (color, refractive index, double refraction, dispersion, absorption spectra, transparency, luster, pleochroism, luminescence, and inclusions), deposits and production, and cutting and polishing techniques. Schumann's clear and concise explanations, combined with the stunning color illustrations, make this complex subject accessible to both beginners and experts. First published in English in 1977, this classic work remains an essential resource for anyone interested in the fascinating world of gemstones. Whether you are a professional gemologist, a student, or simply an admirer of beautiful stones, this book is a must-have addition to your library.''