|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $303,000 | $221,000 | $269,000 | $283,000 | $284,000 | $233,000 | $530,000 |
| Quartzite, crude/roughly trimmed | $425,000 | $414,000 | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $302,000 | $137,000 | $1,148,000 | $754,000 | $305,000 | $191,000 | $168,000 |
| Total | $1,030,000 | $772,000 | $1,417,000 | $1,037,000 | $589,000 | $424,000 | $698,000 |
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