Stishovite
Ross N L, Shu J F, Hazen R M, Gasparik T
American Mineralogist 75 (1990) 739-747
High-pressure crystal chemistry of stishovite
P = 0, but in the diamond cell
_database_code_amcsd 0001306
4.1801 4.1801 2.6678 90 90 90 P4_2/mnm
atom     x     y z Biso
Si       0     0 0  .15
O    .3067 .3067 0  .31