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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Felspar | $3,087 | $3,990 | $3,973 | $8,337 | $4,255 | $4,756 | $3,044 |
| Fluorspar, cont. by wt. 97%/less of calcium fluoride | | | | | | | $172 |
| Fluorspar, cont. by wt. >97% of calcium fluoride | | | | | | $566 | |
| Leucite; nepheline & nepheline syenite | $348 | | | $160 | $998 | $331 | $2,269 |
| Total | $3,435 | $3,990 | $3,973 | $8,497 | $5,253 | $5,653 | $5,485 |
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