1 | Add to Reading ListSource URL: www.capitalmineralclub.orgLanguage: English - Date: 2015-12-29 15:15:22
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2 | Add to Reading ListSource URL: www.elementsmagazine.orgLanguage: English - Date: 2011-07-25 16:40:48
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3 | Add to Reading ListSource URL: www.geology.ar.govLanguage: English - Date: 2009-12-04 11:05:56
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4 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 16:59:24
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5 | Add to Reading ListSource URL: www.geology.arkansas.govLanguage: English - Date: 2009-12-04 11:05:56
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6 | Add to Reading ListSource URL: www.coloradomineralsociety.orgLanguage: English - Date: 2011-10-03 14:01:37
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7 | Add to Reading ListSource URL: www.crystalartsandhealth.org.ukLanguage: English - Date: 2013-10-29 09:58:04
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8 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-28 13:49:34
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9 | Add to Reading ListSource URL: www.scielo.brLanguage: English - Date: 2009-11-10 07:55:17
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