AM_Cristobalite_4 Formula: Si O2 Name: Cristobalite Unit cell: 4.978 4.978 6.948 90.0 90.0 90.0 , V=172.17 Space group: P41212 (92)

Dollase W A , Zeitschrift fur Kristallographie , 121 (1965) p.369-377, Reinvestigation of the structure of low cristobalite, Locality: Ellora, Hyderabad, India