Commodity200620072008200920102011
Quartz, other than nat. sands$759$8,654$50,508$1,473$2,658$6,036
Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ...   $1,809$82$297
Total$759$8,654$50,508$3,282$2,740$6,333