Specimen Number46-5-004Alternate Number49-43-1CommentsCrumbly and punky fine-grained Mn-oxide, need XRD to determine specific mineralogy.In Teaching CollectionNoMineral(s)mn-oxideRock NameMn oreDistrictLas VegasMineThree KidsExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience