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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $1,199 | $2,383 | $849 | $7,727 | $21,412 | $184,875 |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | | $512 | $3,865 | $620 | | |
| Total | $1,199 | $2,895 | $4,714 | $8,347 | $21,412 | $184,875 |
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