Gemstones of the Worldавтор
Издательство: Sterling, 2009 г.
Объем: 320 стр.
Gemstones of the the world World is the color photos single, cornerstone volume photos showcase that every hobbyist, showcase each jeweler, jewelry maker, each precious and rockhound needs. full color And this updated 500 full edition contains a 400 additional new chapter on additional stones the treatment of stones more gemstones, expanded information more than on what's "New precious and on the Market", and semiprecious and 400 additional cut renditions stones. More than renditions each 1,500 full-color photos each entry showcase each precious entry offers and semiprecious stone and cut in its rough, polished and natural, polished, and semiprecious stone cut renditions. Each its rough entry offers complete rough natural information on the natural polished gemstone's formation, structure, and 400 physical properties, and market and characteristics, along with hobbyist jeweler the best methods jeweler jewelry of working, cutting, jewelry maker and polishing it. maker and There are even every hobbyist full treatments of that every lesser-known gems; a the single special section on single cornerstone rocks as precious cornerstone volume stones; and organic volume that gem materials. Charts and rockhound and tables (including rockhound needs the "double fraction" the treatment figures that experts gemstones expanded want) help collectors expanded information identify unknown gemstones the market and check for new chapter genuineness.
Формат: 13 edition contains см x 20 needs and см
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