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Gemology Tools
描述: Software for the professional gemologist or gemology student/enthusiast.
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Law, rules, and cases on consumer protection, predatory lending, unfair trade practices, and anti-trust.
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Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS ...
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RealGems.org is the platform for all who are interested in gems and rare minerals.
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An interactive reference guide to rocks, minerals, and gemstones.
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Abstract works and animations by this Japanese artist.
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Bestcrystals.com is the online Rock Shop of hundreds of crystals, minerals, fossils from around the world, from $1 to grade 'A' specimens. Secure ordering and ...
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Fine jade jewelry and jade stone art. Buy beautiful jade earrings, pendants, stones, and sculptures for you or a loved one. Each piece is hand carved in the USA.
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Learn how to do just about everything at eHow. Find expert advice along with How To videos and articles, including instructions on how to make, cook, grow, or do ...
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