This is a new edition of the clearest, most authoritative guide to gemstones you will find. From Amber to Rubellite, discover over 130 varieties of cut and uncut stones, organic gemstones and precious metals. 800 incredible photos, precise annotations and detailed descriptions, including everything from gemstone shapes to their composition, will help you to identify different stones quickly and easily. It covers everything from what a gemstone is and where they occur to the natural properties they have and how they have been fashioned and imitated through the ages. It is perfect for gemstone lovers - a comprehensive guide for collectors.