Cristobalite
Peacor D R
Zeitschrift fur Kristallographie 138 (1973) 274-298
High-temperature single-crystal study of the cristobalite inversion
Sample: T = 273 C
Locality: Ellora Caves, Hyderabad State, India
_database_code_amcsd 0010756
7.166 7.166 7.166 90 90 90 *Fd3m
.125 .125 .125
atom    x        y         z occ   B(1,1)   B(2,2)   B(3,3) B(1,2) B(1,3)   B(2,3)
Si   .125     .125      .125     .0164593 .0164593 .0164593      0      0        0
O       0 .0439802 -.0439802 1/6 .0168975 .0195017 .0195017 .00015 .00015 -.001573