Clinohypersthene Smyth J R American Mineralogist 59 (1974) 1069-1082 The high temperature crystal chemistry of clinohypersthene T = 20 C _database_code_amcsd 0000420 9.691 8.993 5.231 90 108.61 90 P2_1/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) Fe1 .2506 .6539 .2263 .503 .34 .000611 .000814 .002942 .00014 .00073 .00032 Mg1 .2506 .6539 .2263 .497 .34 .000611 .000814 .002942 .00014 .00073 .00032 Fe2 .2569 .0154 .2230 .834 .54 .001480 .001823 .004830 .00023 .00039 .00009 Mg2 .2569 .0154 .2230 .134 .54 .001480 .001823 .004830 .00023 .00039 .00009 Ca2 .2569 .0154 .2230 .032 .54 .001480 .001823 .004830 .00023 .00039 .00009 SiA .0439 .3396 .2894 .25 .000388 .000965 .003298 .00002 .00046 -.00008 SiB .5524 .8355 .2377 .23 .000368 .000298 .003197 .00013 .00016 -.00067 O1A .8679 .3378 .1812 .39 .000426 .001616 .004940 -.00033 .00022 .00024 O2A .1235 .4976 .3354 .46 .001039 .001359 .007143 -.00081 .00154 -.00014 O3A .1039 .2703 .5929 .49 .001195 .002201 .004401 -.00040 .00124 .00071 O1B .3762 .8363 .1332 .48 .001145 .001155 .006332 -.00012 .00039 .00059 O2B .6313 .9838 .3822 .59 .002388 .001681 .005076 -.00013 .00178 -.00055 O3B .6054 .7007 .4724 .39 .002834 .001608 .004999 .00205 .00296 .00180