Commodity2005200620072008200920102011
Felspar $11,894  $4,842$2,515$2,451
Fluorspar, cont. by wt. 97%/less of calcium fluoride $7,867     
Fluorspar, cont. by wt. >97% of calcium fluoride$59,483$2,618     
Leucite; nepheline & nepheline syenite$91,182$190$426$553$1,425$7,729$12,368
Total$150,665$22,569$426$553$6,267$10,244$14,819