Sodalite Antao S M, Hassan I, Wang J, Lee P L, Toby B H The Canadian Mineralogist 46 (2008) 1501-1509 State-of-the-art high-resolution powder x-ray diffraction (HRPXRD) illustrated with Rietveld structure refinement of quartz, sodalite, tremolite, and meionite Locality: Bancroft, Ontario _database_code_amcsd 0006211 8.880679 8.880679 8.880679 90 90 90 P-43n atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na .17772 .17772 .17772 .0181 .01807 .01807 .01807 .00135 .00135 .00135 Al .25 0 .5 .0049 .0050 .0049 .0049 0 0 0 Si .25 .5 0 .0048 .0035 .0054 .0054 0 0 0 O .13780 .14915 .43910 .0106 .0172 .0063 .0082 .0012 -.0034 .0051 Cl 0 0 0 .0247 .02466 .02466 .02466 0 0 0