Stishovite Smyth J R, Swope R J, Pawley A R American Mineralogist 80 (1995) 454-456 H in rutile-type compounds: II. Crystal chemistry of Al substitution in H-bearing stishovite Sample: aluminous _database_code_amcsd 0001738 4.1839 4.1839 2.6684 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 .0077 .0077 .0009 .0006 0 0 O .3052 .3052 0 .0089 .0089 .0001 .0017 0 0