Moore P B
American Mineralogist 52 (1967) 1603-1613
Crystal chemistry of the basic manganese arsenate minerals 1. The crystal
structures of flinkite, Mn2Mn(OH)4(AsO4) and retzian, Mn2Y(OH)4(AsO4)
9.55 13.11 5.25 90 90 90 Pnma
atom x y z Biso
Mn1 0 0 0 1.26
Mn2 .0205 .1319 .4875 1.41
As .1542 .75 .0257 .47
OH1 .1398 .0756 .1617 1.31
O2 -.0916 .1474 .8361 .96
OH3 -.0994 .0059 .2974 1.06
O4 .0988 .75 .7067 1.00
O5 .1705 .25 .5438 .98
Kolitsch U
Acta Crystallographica E57 (2001) i115-i118
Redetermination of the mixed-valence manganese arsenate flinkite,
MnII2MnIII(OH)4(AsO4)
Locality: synthetic
9.483 13.030 5.3390 90 90 90 Pnma
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn1 0 0 0 .00784 .0076 .0095 .0065 -.00051 .00026 -.00132
Mn2 .02051 .13025 .48313 .01049 .01290 .00879 .00977 -.00048 .00050 -.00059
As .15431 .75 .02622 .00615 .00659 .00550 .00636 0 .00033 0
O2 -.09358 .14410 .8279 .0115 .0151 .0091 .0104 .0035 .0025 -.0013
O4 .1032 .75 .7226 .0121 .0170 .0110 .0084 0 -.0027 0
O5 .1677 .25 .5548 .0106 .0062 .0090 .0166 0 .0009 0
Oh1 .14134 .08274 .1580 .0106 .0099 .0111 .0108 -.0015 .0003 -.0009
Oh3 -.09925 .00406 .3108 .0092 .0077 .0109 .0089 .0014 .0009 -.0006
H1 .160 .128 .045 .030
H3 -.185 .021 .302 .030
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