41![The Gemstone Forecaster NGC, P. O. Box 42468, Tucson, AZ, [removed][removed]6222](https://www.pdfsearch.io/img/3ca06e1dfec9300b4d781c30c6c06577.jpg "The Gemstone Forecaster NGC, P. O. Box 42468, Tucson, AZ, [removed][removed]6222") | Add to Reading ListSource URL: www.preciousgemstones.comLanguage: English - Date: 2012-10-09 13:33:44
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42 | Add to Reading ListSource URL: showcasejewellersmedia.s3.amazonaws.comLanguage: English - Date: 2014-02-12 21:02:32
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43 | Add to Reading ListSource URL: www.emba.uvm.eduLanguage: English - Date: 2005-10-17 09:15:10
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44 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-01-24 11:39:03
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45 | Add to Reading ListSource URL: www.debeersgroup.comLanguage: English - Date: 2013-02-15 02:24:38
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46 | Add to Reading ListSource URL: www.debeersgroup.comLanguage: English - Date: 2012-02-13 04:54:56
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47 | Add to Reading ListSource URL: pages.stern.nyu.eduLanguage: English - Date: 2003-10-15 09:17:20
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