111 | Add to Reading ListSource URL: www.ssef-alumni.orgLanguage: English - Date: 2009-09-18 07:24:00
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112 | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 02:56:58
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113 | Add to Reading ListSource URL: www.bgs.ac.ukLanguage: English - Date: 2007-06-12 12:22:27
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114 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:51:06
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115 | Add to Reading ListSource URL: www.giathai.netLanguage: English - Date: 2013-05-14 01:17:18
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116 | Add to Reading ListSource URL: www.ftc.govLanguage: English - Date: 2008-07-22 11:07:59
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117 | Add to Reading ListSource URL: rruff.infoLanguage: English - Date: 2005-11-18 13:16:24
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118 | Add to Reading ListSource URL: www.fieldgemology.orgLanguage: English - Date: 2010-01-27 11:49:50
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119 | Add to Reading ListSource URL: www.gem-a.comLanguage: English - Date: 2012-01-04 09:51:25
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120 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:56:58
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