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The Asian Institute of Gemological Sciences was founded in 1978.
http://www.aigsthailand.com |
Promoting education of gem materials, Membership, Laboratory services, Gem instruments and Books.
http://www.gagtl.ac.uk/ |
Jewelry Crafts and Design is a structure for research and innovation inserted in the large and multifaceted artisan and industrial tissue of jewelry crafts and design.
http://www.metallo-nobile.com |
Cabochon, cut, cutting, facet, faceting, gems, gemstones, gold, intarsia, lapidary.
http://www.lapidary.org/ |
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