Melliniite
Pratesi G, Bindi L, Moggi-Cecchi V
American Mineralogist 91 (2006) 451-454
Icosahedral coordination of phosphorus in the crystal structure of melliniite,
a new phosphide mineral from the Northwest Africa 1054 acapulcoite
_database_code_amcsd 0004124
6.025 6.025 6.025 90 90 90 P2_13
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ni1  .11684 .20686 .45493 .58 .0290  .0295  .0289  .0286  .0001 -.0002  .0001
Fe1  .11684 .20686 .45493 .42 .0290  .0295  .0289  .0286  .0001 -.0002  .0001
Ni2   .6803  .6803  .6803 .58 .0261  .0261  .0261  .0261  .0004  .0004  .0004
Fe2   .6803  .6803  .6803 .42 .0261  .0261  .0261  .0261  .0004  .0004  .0004
P     .0622  .0622  .0622     .0242  .0242  .0242  .0242 -.0003 -.0003 -.0003