|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $1,247 | $2,504 | $2,278 | $8,066 | $1,688 | $6,643 | $6,954 |
| Quartzite, crude/roughly trimmed | $3,608 | $320 | $19,039 | $12,444 | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $1,939 | $10,323 | $6,759 | $4,185 | $11,155 | $38,123 | $18,350 |
| Total | $6,794 | $13,147 | $28,076 | $24,695 | $12,843 | $44,766 | $25,304 |
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