Maricopaite
Rouse R C, Peacor D R
American Mineralogist 79 (1994) 175-184
Maricopaite, an unusual lead calcium zeolite with an interrupted mordenite-like
framework and intrachannel Pb4 tetrahedral clusters
_database_code_amcsd 0001636
19.434 19.702 7.538 90 90 90 Cm2m
atom      x     y     z  occ Biso
Pb1   .0975 .1044    .5 .830 2.25
Pb2   .0977 .8988     0 .245 1.83
Pb3       0 .9662 .2377 .623 2.29
Pb4       0 .0359 .2516 .175  3.4
Si1   .1790 .2907 .2956 .758 1.17
Al1   .1790 .2907 .2956 .242 1.17
Si2   .3211 .2169 .2043 .758 1.38
Al2   .3211 .2169 .2043 .242 1.38
Si3   .2546 .9283 .2076 .758 1.18
Al3   .2546 .9283 .2076 .242 1.18
Si4   .1395 .9238    .5 .758  1.0
Al4   .1395 .9238    .5 .242  1.0
Si5   .1342 .0843     0 .758  1.1
Al5   .1342 .0843     0 .242  1.1
Si6   .2554 .0779 .2885 .758 1.26
Al6   .2554 .0779 .2885 .242 1.26
Si7   .0794 .2311     0 .758  1.6
Al7   .0794 .2311     0 .242  1.6
Si8   .0817 .7763    .5 .758  1.1
Al8   .0817 .7763    .5 .242  1.1
O1    .1861 .9200 .3250       2.9
O2    .0810 .1441     0       2.3
O3    .0932 .9916    .5       3.8
O4    .0862 .8586    .5       1.4
O5    .3443 .2307     0       2.2
O6    .1820 .0864 .1811       1.7
O7    .3134 .1342 .2417       2.3
O8    .1607 .2769    .5       3.5
O9    .0863 .0162     0       2.4
O10   .1865 .3708 .2641       2.0
O11   .2500 .2536 .2506       3.6
O12   .1164 .2604 .1761       3.0
O13   .3832 .2424 .3218       3.3
O14   .2897 .0030 .2460       2.5
O15   .2278 .9219     0       2.5
O16   .2340 .0838    .5       2.0
O17       0 .2530     0       2.5
O18       0 .7557    .5       2.6
Wat19     0 .0828 .3098 .925  2.2
Wat20     0  .231    .5  .95  2.6
Wat21  .085  .561     0   .6  2.6
Wat22     0  .501  .099   .5  2.6
Wat23  .061  .594    .5 .275  2.6
Wat24  .077  .456  .241 .175  2.6
Wat25  .074  .457  .385   .2  2.6
Wat26  .079  .871     0 .575  2.6
Wat27  .070  .151    .5 .175  2.6
Wat28     0  .933  .215 .475  2.6