|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $3,764 | $4,050 | $12,753 | $18,932 | $22,908 | $21,418 | $2,925 |
| Quartzite, crude/roughly trimmed | | $2,954 | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $7,725 | $1,692 | $1 | | $4,681 | | |
| Total | $11,489 | $8,696 | $12,754 | $18,932 | $27,589 | $21,418 | $2,925 |
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