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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $100,436 | $89,493 | $117,097 | $119,482 | $150,881 | $151,661 | $82,666 |
| Quartzite, crude/roughly trimmed | $2,061 | $435 | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $1,080 | $26,917 | $7,505 | $40,331 | $8,982 | $2,889 | $1,629 |
| Total | $103,577 | $116,845 | $124,602 | $159,813 | $159,863 | $154,550 | $84,295 |
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