Specimen Number46-5-006Alternate Number49-43-3CommentsDark Mn-oxide clasts in lighter fine-grained matrix of uncertain mineralogy. Need XRD to evaluate.In Teaching CollectionNoMineral(s)mn-oxideRock NameMn oreDistrictLas VegasMineThree KidsExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience