This unusual work is a complete treatise on the identification of precious stones that is thoroughly recommended for inclusion on the jeweller or antiquarian's bookshelf. Contents Include: Preface; How to Use The Book; Refractive Index and its Measurement; Double Refraction and How to Detect it; Colour, Colour Filters and the Dichroscope; Specific ...
This unusual work is a complete treatise on the identification of precious stones that is thoroughly recommended for inclusion on the jeweller or antiquarian's bookshelf. Contents Include: Preface; How to Use The Book; Refractive Index and its Measurement; Double Refraction and How to Detect it; Colour, Colour Filters and the Dichroscope; Specific Gravity and How to Measure It; Detection of Synthetic and Imitation Stones; The Use of the Microscope; The Identification of Diamond; The Identification of Ruby; The Identification of Sapphire; The Identification of Emerald; Aquamarine and Alexandrite; The Identification of Zircon; The Identification of Topaz; The Identification of Pink, Mauve, etc. Stones; The Identification of Brown and Orange Stones; Quartz, Opal, and Garnets; Tourmaline, Peridot, and Spinel; Identification of Translucent and Opaque Stones; Amber, Tortoiseshell, Coral, and Jet; Pearls: Real, Cultured, and Imitation; Appendix: Glossary, Alphabetical Summary of Gem Species, Crystal Systems, Bibliography, Specific Gravity and Refractive Index Tables; Names and Addresses of Recommended Suppliers; and an Index. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Good Condition in Fair jacket. 256 pages; 4th edition. Light wear and discoloring; bookplate inside; good tight binding. The jacket has some wear and discoloring. Contents include Refractive Index and Its Measurement; Double refraction and How To Detect It; Color, Color Filters and the Dichroscope; Detection of Synthetic and Imitation Stones; The Identification of Diamond, Ruby, Sapphire, Emerald, Aquamarine, Alexandrite, Zircon, Topaz, Pink, Mauve and Lilac Stones, Brown and Orange Stones, Quartz, Opal, the Garnets, Tourmaline, Peridot, and Spinel; Translucent and Opaque Stones, Amber, Tortoiseshell, Coral and Jet; Pearls. Illustrated. Quantity Available: 1. Shipped Weight: Standard Weight. Category: Reference; Inventory No: 112405.
Good in Fair Fair jacket. An illustration on virtually every page. One or two pages browned from acid pages inserted. Gray, paper-covered boards are lightly soiled, edgeworn. Blue title on cover and spine.
This is a textbook, second edition, and if gem testing and identification is your thing, this book is excellent. However, the book is beyond the weekend rock hound, unless you?re in an area rich with rubies and diamonds. First tool needed, a wide field binocular microscope, along with your dichroscope. Again, a must for a few.
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