|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Quartz, other than nat. sands | $210,551 | $366,665 | $354,276 | $403,818 | $481,178 |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | | $15,097 | $4,896 | $802 | $50,470 |
| Total | $210,551 | $381,762 | $359,172 | $404,620 | $531,648 |
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