Specimen Number46-4-026Alternate Number54-43-9CommentsCherty ironstone. Need XRD on both red and white phases.In Teaching CollectionNoMineral(s)Fe-oxAl-oxRock NameironstoneDistrictBrazilMineFigueirinhaExternal LinkMindatDeposit TypeSedimentaryGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience