{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optical Determination of Rock-Forming Minerals, Part 1: Determinative Tables","author_name":"W. E. Troeger","thumbnail_url":"https://www.ebooknetworking.net/books/351/065/big3510653114.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3510653114.html\">Optical Determination of Rock-Forming Minerals, Part 1: Determinative Tables</a>","width":400,"height":300}