{"product_id":"dk-eyewitness-guides-crystal-gem-book-r-harding-9780863185755","title":"DK Eyewitness Guides:  Crystal \u0026 Gem","description":"Crystals are all around us - even inside our bodies - and they have fascinated people for thousands of years.  This collection of specially commissioned photographs opens our eyes to their beauty and variety  from brilliant diamonds to rare crystals of gold and silver.Starting with a definition of what crystals are  and why and where they form  this book examines their complex inner structures and fantastic geometrical shapes  what gives them their amazing colours  and other features  such as hardness  that are used in identification.  Discover how crystals grow  how they have been used as symbols of wealth and prestige  and how some play an important role in technology.Produced in association with the Natural History Museum  London  Crystal \u0026amp; Gem is a superb introduction to the remarkable and surprising world of crystals.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49514409754897,"sku":"GOR000574446","price":10.0,"currency_code":"USD","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":49527820484881,"sku":"GOR000655073","price":10.0,"currency_code":"USD","in_stock":true},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":50324544979217,"sku":"CIN0679907815VG","price":4.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0863185754.jpg?v=1751107776","url":"https:\/\/www.worldofbooks.com\/products\/dk-eyewitness-guides-crystal-gem-book-r-harding-9780863185755","provider":"World of Books ","version":"1.0","type":"link"}