Commodity200520062007200820092010
Quartz, other than nat. sands$391,755$281,421$606,789$657,217$586,019$708,252
Quartzite, crude/roughly trimmed$2,390,329$2,099,347    
Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ...$896,684$317,854$1,592,477$3,225,667$1,474,814$953,620
Total$3,678,768$2,698,622$2,199,266$3,882,884$2,060,833$1,661,872