Lawsonite Baur W H American Mineralogist 63 (1978) 311-315 Crystal structure refinement of lawsonite Locality: Tiburon Peninsula, Marin County, California, USA _database_code_amcsd 0000639 8.795 5.847 13.142 90 90 90 Ccmm atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca .33305 0 .25 .0030 .00530 .00133 0 0 0 Al .25 .25 0 .0015 .00309 .00106 -.00012 -.00007 .00003 Si .98040 0 .13298 .0014 .00343 .00099 0 .00002 0 O1 .0495 0 .25 .0023 .0081 .0009 0 0 0 O2 .3788 .2726 .1169 .0024 .0047 .0014 -.0008 -.0003 .0004 O3 .1378 0 .06505 .0017 .0042 .0013 0 .0003 0 Oh4 .6391 0 .0479 .0019 .0048 .0018 0 .0004 0 OW5 .6097 0 .25 .0040 .0226 .0014 0 0 0 H(w) .639 0 .194 2.6 H(oh) .587 0 .056 7.0 H(w)geom .6731 0 .1905 H(oh)el .5329 0 .0704