31 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 11:16:09
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32 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-01-24 15:24:31
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33 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-11-01 10:51:18
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34 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-06-21 10:58:33
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35 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-10-05 11:12:33
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36 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-03-06 13:56:38
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37 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-10-12 10:06:38
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38 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-02-02 09:22:30
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39 | Add to Reading ListSource URL: novascotia.caLanguage: English - Date: 2010-09-13 11:20:29
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40 | Add to Reading ListSource URL: rruff.infoLanguage: English - Date: 2005-12-21 17:41:39
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