811 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:59:57
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812 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-06-27 14:01:09
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813 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-01-12 10:20:12
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814 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-07 15:02:45
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815 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-03-06 10:44:26
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816 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-01-31 09:56:38
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817 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-23 07:10:10
|
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818 | Add to Reading ListSource URL: www.ll.mit.eduLanguage: English - Date: 2012-10-24 11:26:26
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819 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-02-13 13:36:45
|
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820 | Add to Reading ListSource URL: www.ltg-lasertech.comLanguage: English - Date: 2005-06-02 14:47:40
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