Pieczkaite
Engel G, Pretzsch J, Gramlich V, Baur W H
Acta Crystallographica B31 (1975) 1854-1860
The crystal structure of hydrothermally grown manganese chlorapatite,
Mn5(PO4)3Cl0.9(OH)0.1
Locality: synthetic
_database_code_amcsd 0020231
9.532 9.532 6.199 90 90 120 P6_3/m
atom      x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn1     1/3    2/3 .00672      .0118  .0118  .0076  .0059      0      0
Mn2  .27763 .03415    .25      .0128  .0102  .0096  .0051      0      0
P    .40676 .38085    .25      .0075  .0072  .0079  .0042      0      0
O1   .36003 .51276    .25      .0131  .0105  .0109  .0084      0      0
O2   .59621 .45779    .25      .0080  .0100  .0137  .0044      0      0
O3   .34343 .26841 .05128      .0151  .0104  .0096  .0069 -.0028 -.0022
Cl        0      0    .25  .9  .0116  .0116  .0255  .0058      0      0
OH        0      0    .25  .1  .0116  .0116  .0255  .0058      0      0