Specimen Number41-6-010Alternate Number49-41-3CommentsAugite syenite lamprophyre.In Teaching CollectionNoMineral(s)augitek-sparbiotiteRock NamelamprophyreDistrictKirkland LakeMineregional sampleGeo-LocationRailroad cut W of Kirkland Lake.Donated ByUniversity of Wisconsin-Madison Department of Geoscience