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 = 9.1 GPa
Locality: Ellora Caves, India
_database_code_amcsd 0018347
4.599 4.599 6.130 90 90 90 P4_12_12
atom     x     y     z Uiso
Si   .3396 .3396     0 .014
O    .2238 .1800 .2164 .011