Diopside
Bindi L, Safonov O G, Litvin Y A, Perchuk L L, Menchetti S
European Journal of Mineralogy 14 (2002) 929-934
Ultrahigh potassium content in the clinopyroxene structure:
an X-ray single-crystal study
Sample: K1
_database_code_amcsd 0006947
9.803 8.985 5.263 90 105.69 90 C2/c
atom      x      y      z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
CaM2      0 .29894    1/4 .752 .01121 .01104 .01171 .00718       0 -.00387       0
MgM2      0 .29894    1/4 .018 .01121 .01104 .01171 .00718       0 -.00387       0
KM2       0 .29894    1/4 .230 .01121 .01104 .01171 .00718       0 -.00387       0
MgM1      0 .90387    1/4 .731 .00717 .00680 .00770 .00641       0  .00079       0
AlM1      0 .90387    1/4 .269 .00717 .00680 .00770 .00641       0  .00079       0
SiT  .28892 .09163 .23494 .984 .00633 .00610 .00727 .00562 -.00126  .00159  .00027
AlT  .28892 .09163 .23494 .016 .00633 .00610 .00727 .00562 -.00126  .00159  .00027
O1   .11496 .08716 .15053      .01014 .00702 .01338 .00987  .00083  .00201  .00081
O2   .36175 .24918 .32099      .01235 .01492 .00917 .01316 -.00844  .00412 -.00031
O3   .32847 .02757 .97953      .00994 .00882 .01357 .00762 -.00009  .00253 -.00566