AM_CaSi2O5 Formula: Ca Si2 O5 Name: CaSi2O5 Unit cell: 7.243 7.546 6.501 81.43 84.82 69.6 , V=329.03 Space group: P-1 (2)

Kudoh Y , Kanzaki M , Physics and Chemistry of Minerals , 25 (1998) p.429-433, Crystal chemical characteristics of alpha-CaSi2O5, a new high pressure, calcium silicate with five-coordinated silicon synthesized at 1500 C and 10 GPa