Clinohypersthene Smyth J R American Mineralogist 59 (1974) 1069-1082 The high temperature crystal chemistry of clinohypersthene T = 760 C _database_code_amcsd 0000425 9.851 9.045 5.326 90 110.05 90 C2/c atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Mg1 0 .9006 .25 .521 1.92 .006007 .006100 .015020 .00000 .00185 .00000 Fe1 0 .9006 .25 .479 1.92 .006007 .006100 .015020 .00000 .00185 .00000 Fe2 0 .2628 .25 .853 2.80 .009516 .008437 .020258 .00000 .00264 .00000 Mg2 0 .2628 .25 .115 2.80 .009516 .008437 .020258 .00000 .00264 .00000 Ca2 0 .2628 .25 .032 2.80 .009516 .008437 .020258 .00000 .00264 .00000 Si .2965 .0888 .2690 1.67 .005575 .004683 .017513 -.00057 .00453 -.00068 O1 .1234 .0899 .1544 2.0 .006396 .006616 .014443 -.00082 .00260 .00018 O2 .3788 .2407 .3630 2.6 .010469 .003972 .035168 -.00212 .01100 -.00404 O3 .3510 .0092 .0483 3.8 .005681 .021741 .024268 .00121 .00469 -.00552