11 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1999-05-06 14:30:51
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12 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-04-05 14:29:34
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13 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-04-10 13:24:38
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14 | Add to Reading ListSource URL: www.mineraldeposits.com.auLanguage: English - Date: 2014-04-28 21:13:27
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15 | Add to Reading ListSource URL: www.pyrometallurgy.co.zaLanguage: English - Date: 2010-01-05 17:45:17
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16 | Add to Reading ListSource URL: www.riotinto.comLanguage: English - Date: 2013-06-11 12:59:45
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17 | Add to Reading ListSource URL: www.birdlife.orgLanguage: English - Date: 2013-10-03 20:16:58
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