Maghrebite
Meisser N, Brugger J, Krivovichev S, Armbruster T, Favreau G
European Journal of Mineralogy 24 (2012) 717-726
Description and crystal structure of maghrebite, MgAl2(AsO4)2(OH)2*8H2O,
from Aghbar, Anti-Atlas, Morocco: first arsenate in the laueite mineral group
Locality: Aghbar, Anti-Atlas, Morocco
_database_code_amcsd 0019348
5.4363 10.500 7.075 97.701 110.295 102.021 P-1
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg .5 .5 0 .0133 .0093 .0119 .0235 .0074 .0079 .0082
Al1 0 0 .5 .0108 .0074 .0146 .0131 .0060 .0043 .0059
Al2 0 0 0 .0113 .0072 .0160 .0142 .0074 .0045 .0071
As -.51690 -.16695 -.92788 .0130 .0077 .0174 .0178 .0081 .0054 .0083
Oh1 -.1279 .0075 -.2847 .0148 .010 .023 .015 .009 .004 .009
O2 -.3119 -.1497 -1.0633 .0146 .011 .018 .019 .0075 .008 .0056
O3 -.3702 -.0666 -.6885 .0158 .006 .019 .023 .0061 .004 .007
O4 -.8092 -.1268 -1.0603 .0162 .008 .028 .018 .013 .004 .011
O5 -.6033 -.3275 -.9118 .0193 .013 .018 .029 .006 .009 .008
Ow6 -.0222 .1851 -.5307 .0198 .018 .024 .021 .011 .008 .006
Ow7 -.5981 -.3076 -.5051 .0283 .024 .036 .032 .013 .015 .014
Ow8 -.1690 -.3876 -.0435 .0334 .015 .030 .063 .011 .017 .021
Ow9 -.2589 -.4878 -.6870 .0319 .028 .031 .033 .010 .006 .009
H1 -.110 .160 -.681 .05
H2 .025 -.384 .004 .13
H3 -.166 .210 -.495 .12
H4 -.453 -.228 -.416 .05
H5 -.305 -.536 -.589 .07
H6 -.210 -.400 -.596 .04
H7 -.580 -.316 -.639 .04
H8 -.237 -.309 -.050 .08
H9 -.320 .000 -.361 .12
Download AMC data (View Text File )Download CIF data (View Text File )Download diffraction data (View Text File )View JMOL 3-D Structure (permalink )
Multiple datasets can be concatenated into a single downloadable file by selecting the datasets and then clicking
Multiple datasets can be downloaded as individual files inside a ZIP archive by selecting the datasets and then clicking
Total number of retrieved datasets: 