481 | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 00:26:22
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482 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:12:40
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483 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 00:26:22
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484 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-12-11 07:22:38
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485 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-06-12 13:52:36
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486 | Add to Reading ListSource URL: alturamining.comLanguage: English - Date: 2012-02-02 22:56:42
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487 | Add to Reading ListSource URL: ds.heavyoil.utah.eduLanguage: English - Date: 2009-12-04 11:57:19
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488 | Add to Reading ListSource URL: fultonhistory.comLanguage: English - Date: 2006-11-02 11:22:35
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489 | Add to Reading ListSource URL: new.metalexpert-group.comLanguage: English - Date: 2013-09-06 05:06:37
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