|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $26,170 | $27,864 | $211,451 | $756,857 | $191,782 | $43,741 | $63,503 |
| Quartzite, crude/roughly trimmed | $678,562 | $876,928 | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $4,224 | $81,515 | $618,678 | $6,810 | $20,548 | $36,874 | $7,571 |
| Total | $708,956 | $986,307 | $830,129 | $763,667 | $212,330 | $80,615 | $71,074 |
|
|
