Hydrokenoralstonite Effenberger H, Kluger F Neues Jahrbuch fur Mineralogie, Monatshefte 1984 (1984) 97-108 Ralstonite: a contribution to the knowledge of composition and crystal structure Locality: Ivigtut, Greenland _database_code_amcsd 0014784 9.91 9.91 9.91 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Al 0 0 0 .774 .49 .0013 .0013 .0013 -.0004 -.0004 -.0004 Mg 0 0 0 .226 .49 .0013 .0013 .0013 -.0004 -.0004 -.0004 Na .5 .5 .5 .205 2.42 .0062 .0062 .0062 -.0022 -.0022 -.0022 F .3138 .125 .125 .763 1.06 .0025 .0029 .0029 0 0 .0007 OH .3138 .125 .125 .237 1.06 .0025 .0029 .0029 0 0 .0007 Ow .375 .375 .375 .836 4.09 .0105 .0105 .0105 0 0 0 H .33 .33 .33 .418 1.00