Specimen Number40-7-027Alternate Number82-29-10CommentsLow quality siderite ore; very fine-grained siderite with abundant bladed arsenopyrite to 0.3 cm.In Teaching CollectionNoMineral(s)sideritearsenopyriteRock NameFe oreDistrictAlgomaMineHelenExternal LinkMindatDeposit TypeBIFGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
40-7-027: Fe ore - Algoma District - Helen Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/57837