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Top > Science > Earth Sciences > Geology > Rocks and Minerals > Gemstone
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» The Amber Ranch - Dominican rough blue amber for jewellers and collectors.
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» Bluechart - A gem identification chart for $18.
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» Dan Dennis - Author of "Gems: A Lively Guide for the Casual Collector."
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» FTC - FTC Guides for jewelry and precious metals.
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» Gem Hut - Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
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» Gemology Tools - Software for the professional gemologist or gemology student/enthusiast.
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» GeoNord - Gem and mineral site from Sweden.
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» The Image - Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
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» National Gemstone - Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
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» NOVA - Gemstone primer with photos and vital information regarding gemstones.
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The content of this directory is based on the Open Directory and may have been modified by clixShare
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