Commodity2005200620072008
Quartz, other than nat. sands$3,680$7,776$25,680$16,524
Quartzite, crude/roughly trimmed$418$212  
Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ...$368$4,872$4,506$29,069
Total$4,466$12,860$30,186$45,593