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Gemstones@
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Gemmology and Gemstones in Scotland
Gemology & Lapidary Pages
- Covers topics from how to cut and polish gem stones, to grading them.
Instituto Brasileiro de Gemas e Metais Preciosos
- IBGM is the official page of the Brazilian Institute of Gems and Precious Metals.
Introductory Gemmology
- Definitions concerning physical properties of gemstones.
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Geology > Gemology
Suggest a Site
Advanced Search
Directory
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Science
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Earth Sciences
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Geology and Geophysics
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Gemology
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