Smythite
Erd R C, Evans H T, Richter D H
American Mineralogist 42 (1957) 309-333
Smythite, a new iron sulfide, and associated pyrrhotite from Indiana
_database_code_amcsd 0000080
3.47 3.47 34.5 90 90 120 R-3m
atom x y     z
Fe1  0 0    .5
Fe2  0 0 .4171
S1   0 0 .2888
S2   0 0 .1270