151 | Add to Reading ListSource URL: www.esk.comLanguage: English - Date: 2011-10-09 05:46:51
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152 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 1999-03-18 09:36:45
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153 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:48:44
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154 | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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155 | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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156 | Add to Reading ListSource URL: nopr.niscair.res.inLanguage: English - Date: 2010-05-03 12:30:59
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157 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-10-31 09:02:45
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158 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-01-31 14:29:23
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159 | Add to Reading ListSource URL: echa.europa.euLanguage: English |
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160 | Add to Reading ListSource URL: orgsyn.orgLanguage: English |
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