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| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 |
| Felspar | | | $3,599 | $1,518 | $1,836 |
| Fluorspar, cont. by wt. 97%/less of calcium fluoride | $281 | | | | |
| Fluorspar, cont. by wt. >97% of calcium fluoride | | $257 | | $568 | $2,226 |
| Leucite; nepheline & nepheline syenite | $14 | | | | $1,070 |
| Total | $295 | $257 | $3,599 | $2,086 | $5,132 |
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