Commodity2005200620072008200920102011
Quartz, other than nat. sands$366,585$562,725$498,116$585,817$328,011$244,586$354,580
Quartzite, crude/roughly trimmed$93,596$4,526     
Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ...$52,995$24,727$21,194$49,705$77,662$140,086$80,953
Total$513,176$591,978$519,310$635,522$405,673$384,672$435,533