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Alexandrite Gemstone Collectors Guide, Alexandrite gemstones gallery and Alexandrite mining information
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Anonymous
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Since Mon, 06 Aug 2007 04:18:30 +0000
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Alexandrite mining information
Jan 15 2007,12:01 PM
Dear sir, i would like to know about mining of precious and semi precious stones, veins runing between hard rocks.The rocks are at depth of 10mtrs from natural ground level.
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