Clinoenstatite Tribaudino M, Nestola F, Meneghini C The Canadian Mineralogist 43 (2005) 1411-1421 Rietveld refinement of clinopyroxenes with intermediate Ca-content along the join diopside-enstatite Locality: synthetic Sample: Di20En80 _database_code_amcsd 0006055 9.6655 8.8534 5.2138 90 108.349 90 P2_1/c atom x y z occ Biso Ca2 .2555 .0186 .2279 .20 .34 Mg2 .2555 .0186 .2279 .80 .34 Mg1 .2517 .6536 .2275 .62 SiA .0420 .3418 .2842 .58 O1A .8664 .3392 .1764 .51 O2A .1159 .5042 .3169 .80 O3A .1038 .2746 .5941 1.31 SiB .5498 .8392 .2301 .67 O1B .3738 .8356 .1305 .79 O2B .6332 .9847 .3803 1.32 O3B .6067 .7064 .4677 1.12