{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Opals and Sapphires; How to work, mine, class, cut, polish and sell them","author_name":"Ion Llewellyn Idriess","thumbnail_url":"https://www.ebooknetworking.net/books/B00/06B/bigB0006BXY06.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0006BXY06.html\">Opals and Sapphires; How to work, mine, class, cut, polish and sell them</a>","width":400,"height":300}