0671604309 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > SHOW COVERS + ASIN Copies Simon & Schuster Simon & Schuster's Guide to Gems and Precious Stones 0 Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >