|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $6,879,000 | $8,815,000 | $13,739,000 | $15,102,000 | $10,880,000 | $12,774,000 | $16,408,000 |
| Quartzite, crude/roughly trimmed | $4,000 | | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $121,000 | $108,000 | $132,000 | $93,000 | $114,000 | $12,000 | $29,000 |
| Total | $7,004,000 | $8,923,000 | $13,871,000 | $15,195,000 | $10,994,000 | $12,786,000 | $16,437,000 |
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