Pb(Al,Si)4O8
Downs R T, Hazen R M, Finger L W
American Mineralogist 80 (1995) 937-940
Crystal chemistry of lead aluminosilicate hollandite: A new high-pressure
synthetic phase with octahedral Si
_database_code_amcsd 0001757
9.414 9.414 2.75 90 90 90 I4
atom      x     y     z  occ Biso
Pb1   .0435     0 .4146 .466  1.5
Pb2       0     0 .7179 .334  1.5
Si    .3510 .1638     0   .6  .61
Al    .3510 .1638     0   .4  .61
O1    .1546 .2016     0        .4
O2    .5418 .1641     0        .4