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Gemological Institute of America

Код 951404

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Аннотация к книге "Gemological Institute of America"

The Gemological Institute of America, or GIA, is a non-profit institute dedicated to research and education in the field of gemology. GIA is also well known for its gem identification and grading services, and developed the famous "four Cs" (Cut, Clarity, Color and Carat weight) methodology of grading diamonds. Although GIA is best known for its activities in relation to diamonds, the institute is also involved with colored gemstones and pearls. The educational arm of GIA confers the Graduate...

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Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-6-1307-1348-5
Объём: 116 страниц
Масса: 196 г
Размеры(высота, ширина, толщина), см: 23 x 16 x 1

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