Specimen Number41-7-008Alternate NumberGV-11CommentsMineralized diabase, forms one of the wide lower-grade ore bodies.In Teaching CollectionNoMineral(s)quartzchloritepyriteRock NameAu oreDistrictGrass ValleyMineIdaho-MarylandExternal LinkMindatGeo-Location1200' level.Deposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience