{"product_id":"refractometers-made-easy","title":"Refractometers Made Easy","description":"\u003cp\u003eExplains in non-technical terms how to use the refractometer to identify diamonds and colored gems, and how to separate natural gems from imitations, treated gemstones, synthetics, and look-alikes. The approach is direct and practical, and its style is easy to understand. With this highly accessible guide booklet, anyone can begin to master gem identification using the refractometer.\u003c\/p\u003e","brand":"Turner Publishing Company","offers":[{"title":"Default Title","offer_id":67661049561455,"sku":"9780990415237","price":38.22,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9384\/9711\/files\/0990415236.jpg?v=1791109567","url":"https:\/\/internacional.umlivro.com.br\/products\/refractometers-made-easy","provider":"UmLivro Internacional","version":"1.0","type":"link"}