Keilite
Shimizu M, Yoshida H, Mandarino J A
The Canadian Mineralogist 40 (2002) 1687-1692
The new mineral species keilite, (Fe,Mg)S, the iron-dominant
analogue of niningerite
_database_code_amcsd 0005801
5.20 5.20 5.20 90 90 90 Fm3m
atom  x  y  z  occ
Fe    0  0  0 .558
Mg    0  0  0 .321
Mn    0  0  0 .048
Ca    0  0  0 .038
Cr    0  0  0 .029
Zn    0  0  0 .003
Ti    0  0  0 .001
S    .5 .5 .5