Richterite
Gunter M E, Dyar M D, Twamley B, Foit F F, Cornelius S
American Mineralogist 88 (2003) 1970-1978
Composition, Fe3+/Sum(Fe), and crystal structure of non-asbestiform and
asbestiform amphiboles from Libby, Montana, U.S.A.
_database_code_amcsd 0003186
9.8787 18.024 5.2875 90 104.377 90 C2/m
atom       x     y     z  occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
SiT(1) .2791 .0848 .2960 .995 .011   .015   .011   .008   .000   .005  -.001
AlT(1) .2791 .0848 .2960 .005 .011   .015   .011   .008   .000   .005  -.001
SiT(2) .2872 .1714 .8031 .995 .011   .015   .012   .007  -.001   .004   .000
AlT(2) .2872 .1714 .8031 .005 .011   .015   .012   .007  -.001   .004   .000
MgM(1)     0 .0886    .5  .99 .009   .013   .009   .005      0   .003      0
AlM(1)     0 .0886    .5  .01 .009   .013   .009   .005      0   .003      0
MgM(2)     0 .1796     0  .82 .010   .012   .011   .007      0   .004      0
FeM(2)     0 .1796     0  .18 .010   .012   .011   .007      0   .004      0
MgM(3)     0     0     0  .84 .020   .026   .020   .016      0   .007      0
FeM(3)     0     0     0  .16 .020   .026   .020   .016      0   .007      0
MnM(4)     0 .2772    .5  .02 .018   .024   .016   .018      0   .012      0
CaM(4)     0 .2772    .5  .56 .018   .024   .016   .018      0   .012      0
NaM(4)     0 .2772    .5  .42 .018   .024   .016   .018      0   .012      0
NaA        0    .5     0  .28 .105   .127   .058   .188      0   .147      0
KA         0    .5     0  .20 .105   .127   .058   .188      0   .147      0
O(1)   .1113 .0865 .2166      .013   .017   .013   .008  -.001   .004  -.001
O(2)   .1186 .1702 .7269      .014   .017   .015   .011  -.001   .005  -.001
O(3)   .1081     0 .7138      .014   .018   .016   .010      0   .006      0
O(4)   .3634 .2487 .7956      .015   .020   .015   .009  -.004   .005  -.001
O(5)   .3459 .1315 .0922      .015   .018   .018   .010   .000   .005   .004
O(6)   .3419 .1182 .5877      .014   .017   .015   .011  -.001   .004  -.002
O(7)   .3364     0 .2935      .016   .013   .016   .016      0   .004      0
H      .2148     0 .7750      .030