American Mineralogist Crystal Structure Database

1 matching records for this search.

Arrojadite-(KFe)
 
Moore P B, Araki T, Merlino S, Mellini M, Zanazzi P F
American Mineralogist 66 (1981) 1034-1049
The arrojadite-dickinsonite series, KNa4Ca(Fe,Mn)14Al(OH)2(PO4)12:
Crystal structure and crystal chemistry
sample NM
Locality: Nancy mine, North Groton, New Hampshire, USA
_database_code_amcsd 0000846
24.692 10.031 16.453 90 105.78 90 A2/a
atom      x      y      z occ
Al1       0     .5      0
Fe1  .47321 .89531 .22048
Fe2  .26656 .00954 .21173
Fe3  .14023 .01559 .10524
Fe4  .40367 .25041 .02298
Fe5  .39990 .74383 .03394
Fe6  .35132 .70124 .20352
Fe7  .34199 .29518 .21822
Ca   .48587 .22363 .23404  .5
Na1  .11986 .51637 .13523
Na2       0      0      0  .5
Na3     .25  .1248      0  .5
Na4   .4560  .9448  .2037  .5
K       .25  .5090      0
P1   .36662 .01006 .11457  .5
P2   .33440 .99720 .08030  .5
P3   .42435 .46788 .13165
P4   .03946 .25200 .12680
P5   .04849 .76821 .10200
P6   .21262 .72485 .12932
P7   .20536 .30030 .14028
O1    .3677  .0625  .0258
O2    .3633 -.1412  .1122
O3    .3179  .0734  .1382  .5
O4    .4220  .0469  .1821  .5
O5    .2718  .9540  .0224  .5
O6    .3231  .0860  .1479  .5
O7    .4456  .4443  .0519
O8    .3909  .5970  .1207
O9    .3872  .3430  .1317
O10   .4725  .4678  .2131
O11   .0752  .1662  .0843
O12   .0367  .3958  .0950
O13  -.0199  .1897  .1101
O14   .0644  .2542  .2238
O15   .0489  .6431  .0458
O16   .0803  .8734  .0636
O17  -.0114  .8142  .0967
O18   .0793  .7371  .1939
O19   .1712  .6753  .0486
O20   .2709  .6765  .1296
O21   .2105  .8783  .1348
O22   .1952  .6648  .2057
O23   .1646  .3456  .0562
O24   .2644  .3551  .1456
O25   .2055  .1470  .1443
O26   .1847  .3561  .2151
F     .1395  .0035  .2301
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