|
Pearceite |
 |
Bindi L, Evain M, Menchetti S |
|
The Canadian Mineralogist 45 (2007) 321-333 |
|
Complex twinning, polytypism and disorder phenomena in the crystal structures |
|
of antimonpearceite and arsenpolybasite |
|
Locality: Eagle mine, Colorado, USA |
|
Sample: T = 330 K |
|
Note: mineral name has been changed from antimonpearceite |
|
Note: this is type pearceite-Tac |
|
_database_code_amcsd 0006140 |
|
7.4805 7.4805 11.8836 90 90 120 P-3m1 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
Ag1 .14879 .2976 .38289 .66 .0584 .0457 .0728 .0658 .0364 -.0022 -.0045 |
|
Cu1 .14879 .2976 .38289 .34 .0584 .0457 .0728 .0658 .0364 -.0022 -.0045 |
|
Ag2 .196 .3651 .1206 .411 .461 .84 .0507 .0482 -.111 -.019 .0059 |
|
Ag3 .3740 .2792 .1168 .339 .120 .086 .197 .056 .055 -.0025 -.046 |
|
Cu2 0 0 0 .0314 .0392 .0392 .0158 .0196 0 0 |
|
Sb 2/3 1/3 .41180 .923 .02462 .02671 .02671 .0205 .01335 0 0 |
|
As 2/3 1/3 .41180 .077 .02462 .02671 .02671 .0205 .01335 0 0 |
|
S1 0 0 .18171 .0288 .0354 .0354 .0157 .0177 0 0 |
|
S2 .50432 .00864 .31065 .0301 .0297 .0223 .0358 .01113 -.00027 -.0005 |
|
S3 1/3 2/3 .0153 .0448 .0454 .0454 .0435 .0227 0 0 |
|
S4 0 .0798 .5 1/6 .0334 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
|
|