Uvite
Taylor M C, Cooper M A, Hawthorne F C
The Canadian Mineralogist 33 (1995) 1215-1221
Local charge-compensation in hydroxyl-deficient uvite
Locality: East Africa
_database_code_amcsd 0005475
15.917 15.917 7.189 90 90 120 R3m
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
CaX 0 0 .8408 .43 .0178 .0178 .0204 .0089 0 0
NaX 0 0 .8408 .40 .0178 .0178 .0204 .0089 0 0
MgY .06148 .93852 .4269 .57 .0048 .0048 .0090 .0015 .0018 -.0018
AlY .06148 .93852 .4269 .43 .0048 .0048 .0090 .0015 .0018 -.0018
AlZ .26126 .29749 .4534 .86 .0074 .0073 .0057 .0037 -.0005 .0001
MgZ .26126 .29749 .4534 .13 .0074 .0073 .0057 .0037 -.0005 .0001
CrZ .26126 .29749 .4534 .01 .0074 .0073 .0057 .0037 -.0005 .0001
Si .18986 .19175 .0640 .0057 .0058 .0052 .0027 .0008 .0005
B .8904 .1096 .6113 .0079 .0079 .0058 .0035 .0003 -.0003
O1 0 0 .2929 .69 .0129 .0129 .0085 .0065 0 0
OH1 0 0 .2929 .31 .0129 .0129 .0085 .0065 0 0
O2 .93958 .06042 .5795 .0129 .0129 .0158 .0093 -.0001 .0001
O3 .13052 .86948 .5538 .0154 .0154 .0043 .0008 -.0002 .0002
H3 .1264 .8736 .6876 .0300
O4 .90697 .09303 -.0087 .0098 .0098 .0105 .0006 -.0011 .0011
O5 .09146 .90854 -.0292 .0094 .0094 .0105 .0008 -.0004 .0004
O6 .18417 .19430 .2874 .0114 .0119 .0063 .0066 .0020 .0011
O7 .28499 .28554 -.0137 .0081 .0092 .0086 .0020 .0012 .0017
O8 .26962 .20899 .6249 .0099 .0065 .0147 .0040 -.0019 -.0006
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Uvite
Schmetzer K, Nuber B, Abraham K
Neues Jahrbuch fur Mineralogie, Abhandlungen 136 (1979) 93-112
Zur Kristallchemie Magnesium-reicher Turmaline
Locality: Landanai, Tanzania
_database_code_amcsd 0019010
15.967 15.967 7.213 90 90 120 R3m
atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca 0 0 .8576 .64 .0110 .0110 .0101 .0055 0 0
Na 0 0 .8576 .34 .0110 .0110 .0101 .0055 0 0
K 0 0 .8576 .02 .0110 .0110 .0101 .0055 0 0
Mg .0630 -.0630 .4531 .0041 .0041 .0118 .0012 .0019 -.0019
Al .2616 .2979 .4710 .95 .0052 .0044 .0069 .0024 -.0005 .0002
V .2616 .2979 .4710 .01 .0052 .0044 .0069 .0024 -.0005 .0002
Mg .2616 .2979 .4710 .04 .0052 .0044 .0069 .0024 -.0005 .0002
Si .1901 .1919 .0840 .0036 .0040 .0063 .0018 .0003 .0002
B -.1097 .1097 .6312 .0040 .0040 .0109 .0014 .0002 -.0002
O1 0 0 .3101 .22 .0066 .0066 .0110 .0033 0 0
OH1 0 0 .3101 .32 .0066 .0066 .0110 .0033 0 0
F1 0 0 .3101 .46 .0066 .0066 .0110 .0033 0 0
O2 -.0605 .0605 .6061 .0081 .0081 .0131 .0051 .0011 -.0011
OH3 .1338 -.1338 .5707 .0110 .0110 .0074 .0041 -.0004 .0004
O4 -.0924 .0924 .0121 .0076 .0076 .0082 .0000 -.0005 .0005
O5 .0905 -.0905 -.0080 .0063 .0063 .0119 -.0009 -.0006 .0006
O6 .1864 .1958 .3055 .0092 .0098 .0080 .0053 .0010 .0011
O7 .2842 .2852 .0032 .0062 .0070 .0102 .0018 .0011 .0015
O8 .2670 .1096 .6414 .0071 .0043 .0166 .0024 -.0022 -.0007
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