{"product_id":"rock-and-gem-book-unnamed-9780756641924","title":"Rock and Gem","description":"A great guidebook featuring full-color photos of hundreds of rocks and gems for collectors and enthusiasts, created in collaboration with the Smithsonian Institution and written by a geologist with decades of experience. Author Ronald Bonewitz started his career as a geologist specializing in crystal chemistry, worked as a mining scout in the field, and now serves as a gem, mineral, fossil, and antiquities expert at an auction houses. \u003ci\u003eRock and Gem\u003c\/i\u003e combines his knowledge with hundreds of stunning photos from the Smithsonian's extensive collections, making professional-level knowledge accessible to readers of all experience levels. \u003cp\u003e\u003c\/p\u003eIn addition to resources on each of several hundred individual rock and gem types, the book contains a compelling history of how rocks are formed, starting with the Big Bang up to the present day. It also includes a guide to starting your own collection as well as several fascinating feature boxes exploring topics like the Malachite Room in the Winter Palace and the superstitions surrounding the world-famous (or infamous) Hope Diamond. \u003cp\u003e\u003c\/p\u003e Whether you're a collector, a student, or just someone interested in discovering the beauty and intrigue of gems and other fascinating rocks, \u003ci\u003eRock and Gem\u003c\/i\u003e covers its fascinating subject matter from every angle.","brand":"WoB","offers":[{"title":"GB \/ WELL_READ \/ INTERNAL","offer_id":49643568955665,"sku":"GOR013705650","price":11.0,"currency_code":"CHF","in_stock":false},{"title":"US \/ GOOD \/ SBYB","offer_id":49880665030929,"sku":"CIN0756641926G","price":0.0,"currency_code":"CHF","in_stock":false},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":50681535594769,"sku":"CIN0756641926VG","price":0.0,"currency_code":"CHF","in_stock":false},{"title":"US \/ WELL_READ \/ SBYB","offer_id":51833447055633,"sku":"CIN0756641926A","price":0.0,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0756641926.jpg?v=1751200310","url":"https:\/\/www.worldofbooks.com\/de-ch\/products\/rock-and-gem-buch-unnamed-9780756641924","provider":"World of Books ","version":"1.0","type":"link"}