Magnesiocarpholite
Fuchs Y, Mellini M, Memmi I
European Journal of Mineralogy 13 (2001) 533-543
Crystal-chemistry of magnesiocarpholite: controversial X-ray
diffraction, Mossbauer, FTIR and Raman results
Locality: Monte Argentario
_database_code_amcsd 0006870
13.716 20.084 5.110 90 90 90 *Ccca
0 -.25 -.25
atom      x      y     z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K         0    .75   .25 .004 .0100
MgM1      0 .87500   .75  .65 .0084  .0068  .0091  .0094      0  .0014      0
FeM1      0 .87500   .75  .35 .0084  .0068  .0091  .0094      0  .0014      0
Al1  .19088    .75   .75 .985 .0060  .0060  .0061  .0060      0      0  .0004
Al2       0 .96131   .25 .985 .0066  .0057  .0075  .0066      0      0      0
Si   .19355 .87981 .4167      .0059  .0051  .0065  .0062  .0005  .0000  .0002
O1   .20599 .79991 .4310      .0081  .0085  .0070  .0089  .0005  .0007  .0001
O2   .08047 .89933 .4085      .0084  .0070  .0096  .0087  .0014  .0002  .0015
O3   .24801 .91275 .6711      .0091  .0097  .0096  .0080 -.0001 -.0025 -.0003
Oh1  .09973 .80978 .8791 .987 .0113  .0108  .0126  .0106  .0031  .0005  .0003
F1   .09973 .80978 .8791 .038 .0113  .0108  .0126  .0106  .0031  .0005  .0003
Oh2  .06810 .96589 .9273 .987 .0083  .0058  .0103  .0087  .0006  .0009  .0008
F2   .06810 .96589 .9273 .038 .0083  .0058  .0103  .0087  .0006  .0009  .0008
H1    -.093   .801  .506 .987 .0610
H2     .134   .963  .916 .987 .0240