Commodity2005200620072008200920102011
Felspar$2,812$4,580$3,028$24,593$14,677$2,439$1,564
Fluorspar, cont. by wt. 97%/less of calcium fluoride      $902
Fluorspar, cont. by wt. >97% of calcium fluoride$2,191$17  $12  
Leucite; nepheline & nepheline syenite$1,253      
Total$6,256$4,597$3,028$24,593$14,689$2,439$2,466