AM_Orthopyroxene_4
Formula: Fe.967 Mg.923 Ca.01 Mn.016 Al.236 Si1.848 O6
Name: Orthopyroxene
Unit cell: 18.2804 8.8601 5.2161 90.0 90.0 90.0 , V=844.83
Space group: PBCA (61)

Nestola F , Ballaran T B , Balic-Zunic T , Secco L , Dal Negro A , American Mineralogist , 93 (2008) p.644-652, The high-pressure behavior of an Al- and Fe-rich natural orthopyroxene, Sample: P = 0.163 GPa