\ Warren C. Day 6JB&fPage &p&?'?(?)?@3c01 Geneva1Tms Rmn1Tms Rmn1Tms RmnZ3Z3" ~3*4@@?#&! 4~3*4@?#&! 4%Y |3&  MgO (wt %)'4%|3&  FeTO3 (wt %)'4523   4$%13'43      44%33& MgO VARIATION DIAGRAM-FeTO3'44 == (