Commodity2005200620072008200920102011
Natural magnesium carbonate (magnesite)    $197 $937
Fused magnesia; dead-burned (sintered) magnesia, whether or not cont. small ...$239$1,113$606$830$1,256$1,433$4,594
Total$239$1,113$606$830$1,453$1,433$5,531