Moore P B, Molin-Case J
American Mineralogist 56 (1971) 1539-1552
Crystal chemistry of the basic manganese arsenates: V. Mixed manganese
coordination in the atomic arrangement of arsenoclasite
_database_code_amcsd 0000259
18.29 5.75 9.31 90 90 90 P2_12_12_1
atom x y z Biso
Mn1 .4323 .2697 .7522 .65
Mn2 .0303 .0544 .8886 .61
Mn3 .2214 .0712 .8582 .59
Mn4 .1241 .5587 .8796 .76
Mn5 .3164 .5804 .0009 .71
As1 .3744 .1117 .0719 .08
As2 .1243 .1928 .1838 .01
OH1 .0519 .7350 .0215 .98
OH2 .2025 .3844 .7397 .96
OH3 .0412 .3676 .7569 .90
OH4 .2171 .7461 -.0282 .90
O5 .1461 .4441 .2643 .62
O6 .1279 .2324 .0012 1.04
O7 .1762 -.0277 .2332 .87
O8 .0380 .0980 .2282 1.00
O9 .3755 .1103 .2508 .95
O10 .2934 .2187 .0206 .69
O11 .4342 .3007 -.0004 .87
O12 .3916 .8448 .0155 1.07
American Mineralogist 59 (1974) 280-290
Contribution to pegmatite phosphate giant crystal paragenesis: II. The crystal
chemistry of wyllieite, Na2Fe2Al[PO4]3, a primary phase
_database_code_amcsd 0000397
11.868 12.382 6.354 90 114.52 90 P2_1/n
atom x y z occ Biso
Na1a .5 0 0 .91 1.20
Ca1b .4903 .0013 .5045 .25 .16
Mn1b .4903 .0013 .5045 .25 .16
Na2 -.0004 -.0218 .2485 .70 1.20
Fe1 -.0005 .2638 .2366 .75 .78
Mg1 -.0005 .2638 .2366 .25 .78
Fe2a .2726 -.3516 .3626 1.09
Al2b .2187 -.1664 .6434 .75 .60
Fe2b .2187 -.1664 .6434 .25 .60
P1 -.0072 -.2854 .2592 .65
P2a .2381 -.1143 .1457 .73
P2b .2376 .0971 .6175 .81
O1a .4531 -.2889 .5509 1.07
O1b .4498 -.7170 .0167 .98
O2a .0820 -.3737 .2429 1.27
O2b .1104 -.6490 .7199 1.43
O3a .3432 -.3470 .1114 1.30
O3b .3189 -.6733 .5866 1.31
O4a .1219 .4020 .2807 1.10
O4b .1288 -.4148 .8536 1.36
O5a .2216 -.1840 .3288 1.20
O5b .2380 -.8336 .8177 1.31
O6a .3310 -.5083 .3837 1.54
O6b .3226 -.5127 .8839 1.64
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