KAlSi3O8
Zhang J, Ko J, Hazen R M, Prewitt C T
American Mineralogist 78 (1993) 493-499
High-pressure crystal chemistry of KAlSi3O8 hollandite
Pressure = 1.64 GPa
_database_code_amcsd 0001560
9.285 9.285 2.717 90 90 90 I4/m
atom     x     y  z occ Biso
K        0     0 .5     1.12
Si   .3501 .1658  0 .75 0.43
Al   .3501 .1658  0 .25 0.43
O1   .1532 .2036  0     0.76
O2   .5411 .1659  0     0.58