Specimen Number46-8-017Alternate Number49-37-5CommentsMedium- to coarse-grained quartz + feldspar(?) + hematite + biotite with minor chalcopyrite, with large euhedral hematite after magnetite (martite).In Teaching CollectionNoMineral(s)quartzfeldsparhematitebiotitechalcopyriteRock NameFe oreDistrictAdirondacksMineBensonExternal LinkMindatGeo-LocationNewton Falls pitDeposit TypeMetamorphosed BIFGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience