Commodity200620072008200920102011
Felspar  $68,253$282,457$295,635$369,065
Fluorspar, cont. by wt. 97%/less of calcium fluoride$345 $4,041$10,377  
Fluorspar, cont. by wt. >97% of calcium fluoride  $1,892   
Leucite; nepheline & nepheline syenite $52,722 $7,207  
Total$345$52,722$74,186$300,041$295,635$369,065