Commodity20052006200720082010
Felspar   $7,001$38,909
Fluorspar, cont. by wt. 97%/less of calcium fluoride    $2,628
Fluorspar, cont. by wt. >97% of calcium fluoride $2,133   
Leucite; nepheline & nepheline syenite$21,124$42,376$46,054$52,083$247
Total$21,124$44,509$46,054$59,084$41,784