Specimen Number46-4-038Alternate Number77-10-2CommentsMn-oxide after rhodochrosite. Need XRD to evaluate both the light and dark phases.In Teaching CollectionNoMineral(s)mn-oxideRock NameMn-oxideDistrictPhilipsburgGeo-LocationMap location approximate, specific mine unknown.Deposit TypeSkarnGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience