Keywords: Cookeite r structure AlSi-layer.png en Crystal structure of cookeite LiAl<sub>4</sub> Si<sub>3</sub>Al O<sub>10</sub> OH <sub>8</sub> monoclinic space group Cc projection onto the a b plane of the aluminosilicate layer The aluminum atoms are represented via their coordination polyhedra orange octahedra The Si Al O<sub>4</sub> tetrahedra are represented in yellow The blue and gray spheres represent the oxygen and hydrogen atoms respectively The black circle shows a six-membered ring Si Al <sub>6</sub>O<sub>18</sub> Data source Zheng H and Bailey S W 1997 Refinement of the cookeite r structure American Mineralogist 82 9-10 1007-1013 own Perditax 2011-07-06 Cc-zero Cookeite Crystal structures in space group number 9 |