Formula: Fe S O11 H14
Name: Melanterite
Unit cell: 14.04 6.502 10.952 90.0 105.81 90.0 , V=961.97
Space group: P121/C1 (14)

Peterson R C , The Canadian Mineralogist , 41 (2003) p.937-949, The relatinship between Cu content and distortion in the atomic structure, of melanterite from the Richmond mine, Iron Mountain, California, Sample: melant8, Locality: Richmond mine, Iron Mountain, California