Petalite Ross N L, Zhao J, Slebodnick C, Spencer E C, Chakoumakos B C American Mineralogist 100 (2015) 714-721 Petalite under pressure: Elastic behavior and phase stability Note: P = 0.0001 GPa Locality: Aracuai pegmatite district, Minas Gerais, Brazil _database_code_amcsd 0020423 11.22955 5.1396 11.7514 90 141.3120 90 P2/c atom x y z Uiso Li1 .5 .758 .25 .015 Al1 .5 .2560 .25 .0095 Si1 .7887 .0125 .7912 .0088 Si2 .7900 .5097 .6422 .0091 O1 .6324 -.0365 .7722 .0162 O2 .7686 -.1989 .6760 .0145 O3 0 0 0 .0264 O4 .7539 .3020 .7144 .0160 O5 0 .4641 .75 .0251 O6 .6365 .4764 .4280 .0114