Commodity200520072008200920102011
Quartz, other than nat. sands $1,377$1,808$1,412$18,363$1,402
Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ...$94$582    
Total$94$1,959$1,808$1,412$18,363$1,402