Gemology

Results: 122



#Item
121Chemistry / Tairus / Pearl / Sapphire / Synthetic alexandrite / Cultured pearl / Gemology / Emerald / Eastern oyster / Gemstones / Phyla / Protostome

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Source URL: www.gem-a.com

Language: English - Date: 2008-11-11 03:45:34
122Matter / Sapphire / Lapis lazuli / Beryl / Ruby / Spodumene / Jewellery / Gemology / Emerald / Gemstones / Crystallography / Chemistry

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Source URL: www.bgs.ac.uk

Language: English - Date: 2007-06-12 12:22:27
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