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category:
Videos & Books
country_of_origin:
USA
manufacturer:
Grobet USA®
mpn:
62.417
subcategory:
Books
type:
Gemology Books
Product Description
Grobet USA® - 62.417
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.