AlSiO3OH Schmidt M W, Finger L W, Angel R J, Dinnebier R E American Mineralogist 83 (1998) 881-888 Synthesis, crystal structure, and phase relations of AlSiO3OH, a high-pressure hydrous phase _database_code_amcsd 0002027 7.14409 4.33462 6.95253 90 98.369 90 P2_1/n atom x y z Biso Al .06463 .02406 .70840 .270 Si .68048 .01714 .58383 .314 H .796 .553 .422 1.7 O1 .1513 .2023 .2600 .35 O2 .5226 .1937 .3943 .26 O3 .88004 .2007 .51236 .19 O4 .76017 .2146 .1288 .31