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 0007435 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 .00242 .00242 .00185 .00018 0 0 O .30615 .30615 0 .00316 .00316 .00237 -.00100 0 0