91 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-02-26 07:49:17
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92 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-03-06 12:48:39
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93 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1999-02-05 09:25:59
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94 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-02-14 13:11:27
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95 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-02-01 10:55:58
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96 | Add to Reading ListSource URL: www.philoscience.unibe.chLanguage: English - Date: 2009-11-13 20:11:25
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97 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-01-24 15:00:09
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98 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-01-24 14:25:06
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99 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2008-05-20 14:52:19
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100 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-02-02 08:54:02
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