|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Quartz, other than nat. sands | $214,949 | $224,975 | $1,115,113 | $1,450,893 | $1,442,172 | $484,888 |
| Quartzite, crude/roughly trimmed | $39,423 | $2,702 | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | | | $252,286 | | | $73,805 |
| Total | $254,372 | $227,677 | $1,367,399 | $1,450,893 | $1,442,172 | $558,693 |
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