Specimen Number40-9-003Alternate Number73-7-4CommentsBanded dark specularite and chert.In Teaching CollectionNoMineral(s)chertspeculariteRock NameFe oreDistrictMarquette RangeMineMesnardExternal LinkMindatDeposit TypeBIFGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
40-9-003: Fe ore - Michigan District - Mesnard Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/57877