AM_Rankinite
Formula:
Ca3 Si2 O7
Name:
Rankinite
Unit cell:
10.6 8.92 7.89 90.0 119.6 90.0 , V=648.66
Space group:
P121/A1 (14)
Kusachi I , Henmi C , Kawahara A , Henmi K , Mineralogical Journal , 8 (1975) p.38-47, The structure of rankinite