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This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "Geometrical Characters of Crystals" "The Morph...

This classic book offers a comprehensive introduction to the subject of crystallography. Split into two parts: 'The External Symmetry of Crystals' and the 'Symmetry of the Internal Arrangement', and each broken down into many chapters, this book would make an invaluable addition to the bookshelf of anyone with an interest in the subject. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarc...