AM_Phase-A
Formula:
Mg7 Si2 O14
Name:
Phase-A
Unit cell:
7.8603 7.8603 9.573 90.0 90.0 120.0 , V=512.22
Space group:
P63 (173)
Horiuchi H , Morimoto N , Yamamoto K , Akimoto S I , American Mineralogist , 64 (1979) p.593-598, Crystal structure of 2Mg2SiO4.3Mg(OH)2, a new high-pressure structure type