Download or read book Gemstones of the World written by Walter Schumann and published by Sterling Publishing Company, Inc.. This book was released on 2009 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Gemstones of the World" is an essential resource for every hobbyist, jeweler, or jewelry maker. More than 1,500 full-color photos showcase each precious and semiprecious stone in its rough, natural, polished, and cut renditions.