Gemstones of the World how to spot

Gemstones of the World how to spotTruly the ultimate one volume book every hobbyist, jeweler, jewelry maker, and rockhound will ever need! Chock full of more than 1,500 full color photos showcasing each precious and semiprecious stone in both its rough and polished state, this bestselling reference book from leading geology expert Walter Schumann will be your go to identification guide. Following the spectacular success of the first four editions of Gemstones of the World, the revised

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