Marcasite
Buerger M
Zeitschrift fur Kristallographie 97 (1937) 504-513
Interatomic Distances in Marcasite and Notes on the Bonding in Crystals
of Loellingite, Arsenopyrite, and Marcasite Types.
_cod_database_code 1011013
_database_code_amcsd 0017921
4.436 5.414 3.381 90 90 90 Pnnm
atom  x    y z
Fe1   0    0 0
S1   .2 .378 0