Specimen Number37-2-021Alternate Number10843CommentsSpectacular example of erythrite cobalt bloom. Primary hypogene phases as determined by XRD include skutterudite, cobaltite, geocronite and boulangerite, as well as secondary clinochlore (see XRD pattern below).In Teaching CollectionNoMineral(s)erythriteskutteruditecobaltitegeocroniteboulangeriteclinochloreRock Namecobalt bloomDistrictTimiskamingMineCobalt HillExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
37-2-021: cobalt bloom - Timiskaming District - Cobalt Hill Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/56719