AM_Butlerite
Formula:
Fe S O7 H3
Name:
Butlerite
Unit cell:
6.5 7.37 5.84 90.0 108.38 90.0 , V=265.49
Space group:
P121/M1 (11)
Fanfani L , Nunzi A , Zanazzi P F , American Mineralogist , 56 (1971) p.751-757, The crystal structure of butlerite