Cristobalite
Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T
Physics and Chemistry of Minerals 38 (2011) 517-529
New insights into the high-pressure polymorphism of SiO2 cristobalite
Note: P = 0.6 GPa
Locality: Ellora Caves, India
_database_code_amcsd 0018343
4.908 4.908 6.784 90 90 90 P4_12_12
atom     x     y     z Uiso
Si   .3083 .3083     0 .018
O    .2387 .1161 .1865 .011