Specimen Number12-5-027Alternate NumberRH-74-138CommentsDelicate bedding; need to check black layers for presence of tourmaline.In Teaching CollectionNoMineral(s)pyritequartztourmalineRock Namevolcanogenic chertDistrictChibougamauMineregional sampleGeo-LocationLac Sauvage Iron FormationSub-LocationundefinedDeposit TypeBIF