Specimen Number47-4-016Alternate Number17028CommentsMassive, very soft asbestiform mineral + talc. Crocidolite is most likely mineralogy for this material.In Teaching CollectionNoMineral(s)crocidolitetalcRock Nameasbestos oreDistrictPennsylvaniaMineC.K. WilliamsExternal LinkMindatDeposit TypeMetamorphosedGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience