Download or read book Agates written by Roger Pabian and published by . This book was released on 2006 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Illustrated throughout with photographs of these wonderfully colourful minerals. Accompanied by a text from a well-known expert in the field, the book includes both a detailed introduction to the geology of agates and a comprehensive guide to the agates of the world.