【實用教育app】Gem Dictionary|最夯免費app

The AIGS Gem Dictionary is the most complete and comprehensive resource of its kind, allowing consumers to buy gemstones and gem-set jewelry with absolute confidence, no matter where they are!

The e-dictionary is based on Akira Chikayama’s seminal work, the Dictionary of Gemstones & Jewelry - which covers all facets of the subject; including scientific, technical and commercial terms, as well as those concerning the myths, superstition and lore traditionally associated with gemstones - and has been adapted by the Asian Institute of Gemological Sciences (AIGS) for use with electronic formats.

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