Cristobalite
Dove M T, Craig M S, Keen D A, Marshall W G, Redfern S A T, Trachenko K O, Tucker M G
Mineralogical Magazine 64 (2000) 569-576
Crystal structure of the high-pressure monoclinic phase-II of cristobalite, SiO2
Locality: synthetic
Note: P = 3.5 GPa, refinement by constrained Rietveld analysis
_database_code_amcsd 0014542
8.3769 4.6020 9.0583 90 124.939 90 P2_1/c
atom     x     y     z   Uiso
Si1  .3725 .7310 .2145 -.0003
Si2  .1207 .9699 .8403 -.0003
O1   .1859 .8645 .0351  .0044
O2   .2997 .5912 .3276  .0044
O3   .5296 .9791 .3297  .0044
O4    .927 .8089 .6839  .0044