Specimen Number43-5-016Alternate Number48-19-30CommentsStrongly mineralized Renault limestone; fine- to medium-grained sphalerite + coarse-grained nearly black and yellow fluorite. Renault limestone contains shaly "oil rock" layers/partings.In Teaching CollectionNoMineral(s)calcitesphaleritefluoriteRock NameZn-F oreDistrictCave-in-RockMineMinerva No. 1External LinkMindatDeposit TypeFluorsparGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience