Stishovite Spackman M A, Hill R J, Gibbs G V Physics and Chemistry of Minerals 14 (1987) 139-150 Exploration of structure and bonding in stishovite with Fourier and Pseudoaton Refinement methods using single crystal and powder X-ray diffraction data Sample: ION+ _database_code_amcsd 0007437 4.1773 4.1773 2.6655 90 90 90 P4_2/mnm atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Si 0 0 0 .00236 .00236 .00179 .00016 0 0 O .30614 .30614 0 .00311 .00311 .00233 -.00085 0 0