51![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2003-02-11 14:41:46
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52![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2000-03-19 21:39:20
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53![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2017-10-25 16:03:34
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54![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2018-02-16 07:22:00
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55![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2006-01-18 11:48:41
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56![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2017-02-16 08:23:59
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57![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2003-02-26 09:23:56
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58![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2000-03-19 21:49:34
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59![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 1997-03-19 10:25:06
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60![](/pdf-icon.png) | Add to Reading ListSource URL: minerals.usgs.gov- Date: 2006-04-07 15:38:23
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