AM_Pseudowollastonite-4A Formula: Ca Si O3 Name: Pseudowollastonite-4A Unit cell: 6.853 11.895 19.674 90.12 90.55 90.0 , V=1603.68 Space group: C-1 (2)

Yamanaka T , Mori H , Acta Crystallographica, Section B , 37 (1981) p.1010-1017, The structure and polytypes of alpha-W CaSiO3 (pseudowollastonite)