The Jeweller'S Directory Of Gemstones Av Ms Judith Crowe

<p><b>A complete guide to identifying, buying, using and caring for a dazzling array of jewels.</b><br><br>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.<br><br>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. <br><br>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.<br><br>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.</p>