|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $176,956 | $19,458 | $18,414 | $23,529 | $9,799 | $1,541 | $1,958 |
| Quartzite, crude/roughly trimmed | $200 | $360 | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $736 | $925 | | $62 | $1 | | |
| Total | $177,892 | $20,743 | $18,414 | $23,591 | $9,800 | $1,541 | $1,958 |
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