|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Quartz, other than nat. sands | $3 | $1,173 | | $1,655 | |
| Quartzite, crude/roughly trimmed | | | | $227 | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $1,297 | $563 | $209 | $118 | $4 |
| Total | $1,300 | $1,736 | $209 | $2,000 | $4 |
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