Clinoptilolite-Na Armbruster T, Gunter M E American Mineralogist 76 (1991) 1872-1883 Stepwise dehydration of heulandite-clinoptilolite from Succor Creek, Oregon, U.S.A.: A single-crystal X-ray study at 100K sample name: dehyd2 _database_code_amcsd 0001431 17.607 17.692 7.412 90 116.84 90 C2/m atom x y z occ Biso Na1 .138 0 .6700 .12 3.95 Na1' .1838 0 .7263 .70 5.2 Ca2 .4663 0 .7626 .386 2.60 K3 .743 0 .057 .05 1.1 Mg4 0 0 .5 .05 3.95 Al1 .17980 .16754 .0937 .21 .986 Si1 .17980 .16754 .0937 .79 .986 Al2 .29307 .09038 .5050 .39 1.021 Si2 .29307 .09038 .5050 .61 1.021 Al3 .28906 .31107 .2783 .18 .989 Si3 .28906 .31107 .2783 .82 .989 Al4 .06393 .29480 .4088 .16 1.020 Si4 .06393 .29480 .4088 .84 1.020 Al5 0 .20784 0 .16 .99 Si5 0 .20784 0 .84 .99 O1 .3106 0 .5496 2.93 O2 .2366 .1182 .6206 2.83 O3 .1828 .1489 -.1186 2.30 O4 .2434 .1078 .2592 1.93 O5 0 .3208 .5 3.14 O6 .0829 .1536 .0641 1.61 O7 .3678 .2660 .4506 3.21 O8 .0081 .2613 .1844 2.35 O9 .2079 .2548 .1620 1.58 O10 .1101 .3721 .3899 2.23 OH11 .2185 .5 -.006 6.4 OH12 .0741 0 .873 .40 5.8 OH13 .0757 .4150 .9591 .58 8.1 OH13' .053 .5 .952 .43 18.3 OH14 0 .5 .5 7.8 OH15 -.024 .095 .501 .06 3.95 OH16 .092 0 .307 .24 4.8 OH16' .422 .537 .603 .17 10.8 OH17 .059 .035 .669 .07 3.95 OH18 .106 0 .114 .08 3.95