AM_Krausite_1
Formula: K Fe S2 O9 H2
Name: Krausite
Unit cell: 7.92 5.146 9.014 90.0 102.76 90.0 , V=358.30
Space group: P121/M1 (11)

Effenberger H , Pertlik F , Zemann J , American Mineralogist , 71 (1986) p.202-205, Refinement of the crystal structure of krausite: a mineral with an, interpolyhedral oxygen-oxygen contact shorter than the hydrogen bond