Mindat Short Description
Compare also ferripyrophyllite.
Geoscience Ontology Status Notes
Gruner J W (1944) The composition and structure of minnesotaite, a common iron silicate in iron formations, American Mineralogist 29, 363-372
IMA Formula (from Mindat)
Fe2+3Si4O10(OH)2
RRUFF Formula (from Geoscience Ontology)
Fe2+3Si4O10(OH)2