Judith Crowe – författare
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2 produkter
2 produkter
Inbunden, Engelska, 2019
285 kr
Skickas
Discover the common treatments and imitations plus gemstone properties, sources and typical cuts of stones, including a guide on appraisal techniques.Jewellers and designer goldsmiths, lapidaries and gem cutters, stone setters, gemologists, geologists, collectors and people who buy and sell jewellery at antique fairs and on the internet, this book is for anyone who has ever had a gemstone and wanted identification and information. Featuring a mix of gemstones and gem-set jewellery, it puts gems in context and contains historical context for those buying and selling antique and vintage gem-set jewellery, including details of the stones typically found in Georgian, Victorian and early 20th century settings.Packed with fascinating gemological details and up-to-date data on more than 70 of the most exquisite gemstones, and written by leading expert, Judith Crowe, learn the common pitfalls in identifying stones and clarify areas of confusion and misidentification.
Häftad, Engelska, 2018
283 kr
Skickas
A complete guide to identifying, buying, using and caring for a dazzling array of jewels.A complete reference for goldsmiths, collectors, and jewellery makers, this beautiful book is a comprehensive guide to identifying, buying, using and caring for a dazzling array of jewels and gems.The book includes practical advice on how to assess the quality, rarity, grade, durability, and cut of precious and semi-precious stones, and allows you to discover the origins of gemstones and understand the process of selecting the raw material. Learn how gems are calibrated, using the industry standard measurements of carats and points, and how they can be treated to improve both colour and clarity - a handy glossary contains all of the key terminology you need to know.Thanks to colourful illustrations and photographs, you can identify which gemstones are suitable for jewellery-making, from amethysts and diamonds to tourmaline and quartz, and learn how they can be used in different designs and settings.