AM_Diopside_35 Formula: (Ca.88 K.12) Mg.83 Al.19 Si1.98 O6 Name: Diopside Unit cell: 9.4762 8.6541 5.1356 90.0 105.269 90.0 , V=406.29 Space group: C12/C1 (15)

Bindi L , Downs R T , Harlow G E , Safonov O G , Litvin Y A , Perchuk L L , Uchida H , Menchetti S , American Mineralogist , 91 (2006) p.802-808, Compressibility of synthetic potassium-rich clinopyroxene:, In situ high-pressure single-crystal X-ray study, Sample: 939-1, P = 9.72 GPa