{"product_id":"gemstones-understanding-identifying-buying-9781851494941","title":"Gemstones: Understanding  Identifying  Buying","description":"\u003cp\u003eWhether buying gem-set jewellery or loose stones  you will be faced with a colourful array of beauty and value. With such a wide choice - from amethyst to zircon which should you choose? What is it worth  and how do you even know it is real? All that glitters is not gold  as they say  and all that sparkles is not diamond. Gemstones helps to answer these questions in simple and easy to understand terms. As well as diamonds  emeralds  rubies and sapphires  over 100 gems are featured  with full descriptions  technical details  and tips on how to check for fakes; illustrated throughout with fabulous colour photographs to make identification easier. Technical terms such as refraction and fluorescence are explained and some basic identification tests are introduced. A helpful tour around the world details where gems are best available. Informative appendices include a glossary of terms  tables of specific gravity and refractive index  and the comparative value of different stones. The clear  uncomplicat\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45276662562869,"sku":"ByrdShop_1851494944","price":65.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9781851494941.jpg?v=1780559493","url":"https:\/\/atxbooks.com\/products\/gemstones-understanding-identifying-buying-9781851494941","provider":"ATX Books","version":"1.0","type":"link"}