Ross M, Evans H T
American Mineralogist 49 (1964) 1578-1602
Studies of the torbernite minerals (I): The crystal structure of abernathyite
and the structurally related compounds NH4(UO2AsO4).3H2O and K(H3O)(UO2AsO4)2.6H2O
7.176 7.176 18.126 90 90 90 *P4/ncc
.25 -.25 0
atom x y z occ Biso
As .75 .25 0 1.84
U .25 .25 .0514 1.90
Oa .25 .25 .1515 2.99
Ob .25 .25 .9575 2.48
Oc .6963 .0729 .4433 2.75
OHd .1650 .9876 .3154 .75 3.71
K .1650 .9876 .3154 .25 3.71
Sample : Abernathyite - NH4
7.189 7.189 18.191 90 90 90 *P4/ncc
As .75 .25 0 1.68
U .25 .25 .0512 2.54
Oa .25 .25 .151
Ob .25 .25 .956 3.0
Oc .696 .076 .447
OHd .158 .993 .317 .75 3.3
NH4 .158 .993 .317 .25 3.3
Sample: Abernathyite - K(H3O)
7.171 7.171 18.048 90 90 90 *P4/ncc
As .75 .25 0 1.59
U .25 .25 .0520 2.27
Oa .25 .25 .150 3.6
Ob .25 .25 .958 2.9
Oc .696 .071 .448
OHd .150 .993 .315 .75 4.1
OH3 .150 .993 .315 .125 4.1
K .150 .993 .315 .125 4.1
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Total number of retrieved datasets: 3 View in amc, download in amc
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