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ThetailingsfromHuangyanLeadandZIncMilLmainlycontainsquartz,mica,illiteandaluminousminerals,whichisfullofpromisetobeusedforrawporcelainmaterialtosubstitutefeldspar,butitsFe2O3andMnOcontentare6.66%and7.37%respectively,muchhigherthanthefixedlevel(Fe2O3+MnO<1......