31 | Add to Reading ListSource URL: www.h-net.orgLanguage: English - Date: 2004-02-13 16:32:29
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32 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-29 15:36:10
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33 | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 02:09:48
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34 | Add to Reading ListSource URL: www.metalseconomics.comLanguage: English - Date: 2010-09-08 07:45:25
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35 | Add to Reading ListSource URL: rruff.infoLanguage: English - Date: 2005-11-08 13:10:52
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36 | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 00:15:42
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37 | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 02:57:06
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38 | Add to Reading ListSource URL: www.bibliotecaminsal.clLanguage: Spanish - Date: 2011-10-06 09:24:01
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39 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-05-15 18:47:51
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40 | Add to Reading ListSource URL: lasa.international.pitt.eduLanguage: English - Date: 2004-09-13 14:28:57
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