This vintage book contains an interesting and practical study of the identification of gemstones, pearls, and ornamental minerals. A comprehensive and profusely-illustrated handbook for both novice and experienced practitioners, this volume is not to be missed by anyone with a keen interest in the subject. The chapters of this book include: "Crystallography", "Physical Properties", "Specific Gravity", "Light", "Measurement of Refractive Index", "Colour in Gem Distinction", "The Microscope", "The Gem Species", "Synthetic Gems", "Imitation Gems", "Composite Stones and Artificially Induced Colour", etcetera. This book is being republished now in an affordable, modern, high quality edition – complete with a specially commissioned new introduction on gemmology.
Ngôn ngữ Anh ● định dạng EPUB ● Trang 296 ● ISBN 9781447498841 ● Nhà xuất bản Read Books Ltd. ● Được phát hành 2013 ● Có thể tải xuống 6 lần ● Tiền tệ EUR ● TÔI 2481032 ● Sao chép bảo vệ Adobe DRM
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