AM_Akermanite
Formula:
Mg Ca2 Si2 O7
Name:
Akermanite
Unit cell:
7.74 7.74 4.932 90.0 90.0 90.0 , V=295.46
Space group:
P-421M (113)
Merlini M , Gemmi M , Hanfland M , Crichton W , American Mineralogist , 94 (2009) p.704-709, High-pressure behavior of akermanite and gehlenite and phase stability, of the normal structures in melelites, Note: P = 5 GPa, Locality: synthetic