American Mineralogist Crystal Structure Database

2 matching records for this search.

Natroalunite
Download hom/natroalunite.pdf
Ossaka J, Hirabayashi J, Okada K, Kobayashi R, Hayashi T
Download am/vol67/AM67_114.pdf
American Mineralogist 67 (1982) 114-119
Crystal structure of minamiite, a new mineral of the alunite group
Note: mineral is the 2R polytype
_database_code_amcsd 0000858
6.981 6.981 33.490 90 90 120 R-3m
atom     x      y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
S1       0      0 .8458          0.0019 0.0019 0.0111 .00095      0      0
S2       0      0 .3473          0.0110 0.0110 0.0043 0.0055      0      0
Al   .5001 -.5001 .2496          0.0053 0.0053 0.0093 0.0029 -.0001 0.0001
O1       0      0 .8022          0.0166 0.0166 0.0076 0.0083      0      0
O2       0      0 .3043          0.0091 0.0091 0.0076 .00455      0      0
O3   .2181 -.2181 .0290          0.0119 0.0119 0.0103 0.0098 0.0010 -.0010
O4   .2183 -.2183 .5274          0.0116 0.0116 0.0105 0.0082 0.0005 -.0005
Oh5  .1268 -.1268 .9294          0.0078 0.0078 0.0145 0.0053 -.0023 0.0023
Oh6  .1239 -.1239 .4321          0.0035 0.0035 0.0174 -.0010 -.0017 0.0017
K        0      0     0 .20 2.4
Na1      0      0     0 .44 2.4
Na2      0      0    .5 .28 1.9
Ca       0      0    .5 .54 1.9
H1    .180  -.180 .9483     3.0
H2    .180  -.180 .4477     3.0
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Natroalunite
Download hom/natroalunite.pdf
Okada K, Hirabayashi J, Ossaka J
 
Neues Jahrbuch fur Mineralogie, Monatshefte 1982 (1982) 534-540
Crystal structure of natroalunite and crystal chemistry of the alunite group
Locality: Sonomi-dake, Makurazaki-city, Kagoshima Prefecture, Japan
_database_code_amcsd 0014771
6.990 6.990 16.905 90 90 120 R-3m
atom      x       y       z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na        0       0       0 .58 1.90  .0270  .0270  .0182  .0135      0      0
K         0       0       0 .42 1.90  .0270  .0270  .0182  .0135      0      0
Al        0      .5      .5      .52  .0039  .0047  .0108  .0020  .0000      0
S         0       0  .30590      .51  .0055  .0055  .0081  .0028      0      0
O1        0       0  .39211      .76  .0106  .0106  .0077  .0053      0      0
O2   .21805 -.21805 -.05729      .75  .0101  .0101  .0109  .0072 -.0004  .0004
Oh   .12534 -.12534  .13902      .74  .0054  .0054  .0164  .0021  .0016 -.0016
H      .178   -.178    .116      3.1
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View JMOL 3-D Structure (permalink)
 
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Total number of retrieved datasets: 2
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