Gemstones Of The World Book By Walter Schumann

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By Walter Schumann. Authoritative reference work, with color photographs of more than 1400 specimens, many shown before and after cutting. Special sections on fabricated and synthetic gems, recognizing gems by color, birthstones and organic gems such as coral and pearl. Includes technical data on gemstone properties, formation and structure of gems and cutting. Soft cover, 256 pages.


1/4" Grinding Wheel Mandrel with Screw, 1/8" Shank	Castaldo Quick Sil 2 Lbs.	Abrasive Bands Coarse 60 Grit 1/4" Diameter	FILTER 20 X 12 X 2 IN
$2.95	$194.95	$2.95	$13.95