|
Dravite |
 |
Schmetzer K, Nuber B, Abraham K |
|
Neues Jahrbuch fur Mineralogie, Abhandlungen 136 (1979) 93-112 |
|
Zur Kristallchemie Magnesium-reicher Turmaline |
|
Locality: Gerevi Hills, Tanzania |
|
_database_code_amcsd 0019011 |
|
15.923 15.923 7.201 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) |
|
Na 0 0 .8576 .60 .0194 .0194 .0230 .0097 0 0 |
|
Ca 0 0 .8576 .29 .0194 .0194 .0230 .0097 0 0 |
|
K 0 0 .8576 .02 .0194 .0194 .0230 .0097 0 0 |
|
Mg .0625 -.0625 .4581 .79 .0030 .0030 .0131 .0004 .0021 -.0021 |
|
Al .0625 -.0625 .4581 .21 .0030 .0030 .0131 .0004 .0021 -.0021 |
|
Al .2617 .2978 .4790 .0034 .0030 .0053 .0016 -.0001 .0002 |
|
Si .1899 .1919 .0907 .0020 .0019 .0056 .0010 .0002 .0002 |
|
B -.1096 .1096 .6349 .0035 .0035 .0069 .0021 .0003 -.0003 |
|
O1 0 0 .3175 .25 .0091 .0091 .0098 .0046 0 0 |
|
OH1 0 0 .3175 .75 .0091 .0091 .0098 .0046 0 0 |
|
O2 -.0607 .0607 .6051 .0096 .0096 .0106 .0074 .0000 .0000 |
|
OH3 .1326 -.1326 .5774 .0104 .0104 .0064 -.0004 -.0004 .0004 |
|
O4 -.0933 .0933 .0204 .0053 .0053 .0112 -.0009 -.0008 .0008 |
|
O5 .0916 -.0916 -.0011 .0048 .0048 .0116 -.0022 -.0005 .0005 |
|
O6 .1859 .1959 .3114 .0076 .0074 .0110 .0043 .0015 .0015 |
|
O7 .2846 .2851 .0111 .0039 .0040 .0104 .0002 .0010 .0012 |
|
O8 .2699 .1093 .6485 .0068 .0026 .0134 .0020 -.0022 -.0004 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
|
| |
