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Gemstones@ Mineralogy@ Organizations (7)

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Instituto Brasileiro de Gemas e Metais Preciosos IBGM is the official page of the Brazilian Institute of Gems and Precious Metals. www.ibgm.com.br Gemmology and Gemstones in Scotland www.scotgem.demon.co.uk Introductory Gemmology Definitions concerning physical properties of gemstones. www.ganoksin.com/borisat/nenam/physical.htm Gemology & Lapidary Pages Covers topics from how to cut and polish gem stones, to grading them. www.tradeshop.com/gems

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