|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $28,832 | $55,533 | $69,729 | $52,564 | $56,636 | $183,840 | $293,458 |
| Quartzite, crude/roughly trimmed | $7,217 | $5,281 | $632 | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $21,547 | $18,294 | | $22,426 | $32,869 | $4,556 | $57,911 |
| Total | $57,596 | $79,108 | $70,361 | $74,990 | $89,505 | $188,396 | $351,369 |
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