Although commissioned originally as a popular publication on precious stones, this book was planned on more advanced lines even before it was begun, and written in order to meet the demand from the jewellery trade for text-book on gemmology. Therefore, this rare book is both scientific and accessible, making it the perfect book for the budding amateur and seasoned professional alike. Chapters included in this fascinating book are: Physical Characters, Technology and History, Descriptions, Semi-precious Stones, Miscellaneous Stones, Ornamental Stones, Organic Products, and Identification. Dr....