|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Quartz, other than nat. sands | $391,755 | $281,421 | $606,789 | $657,217 | $586,019 | $708,252 |
| Quartzite, crude/roughly trimmed | $2,390,329 | $2,099,347 | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $896,684 | $317,854 | $1,592,477 | $3,225,667 | $1,474,814 | $953,620 |
| Total | $3,678,768 | $2,698,622 | $2,199,266 | $3,882,884 | $2,060,833 | $1,661,872 |
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