Specimen NumberTC-2-2-004Alternate NumberA 76-361CommentsDense compact gossan, several almost white layers that we always thought was cerussite, but turns out to be muscovite (see XRD pattern below). Red layer is predominantly hematite with minor muscovite.In Teaching CollectionYesMineral(s)hematitelimonitemuscoviteRock NamegossanDistrictMt. Isa, AustraliaMineHiltonExternal LinkMindatDeposit TypeSedexReference MaterialACL-169: Mathias, B.V. and Clark, G.J., 1976, Mount Isa Copper and Silver-Lead-Zinc Orebodies, Mt. Isa and Hilton mines, A.I.M.M. Mon. No. 5, p. 351-372.
ACL-170: Russell, R.E., and Cox, J.L., 1973, Mount Isa Mines Limited Geological Map of Mount Isa District, 1:50,000, Edition 2; Hobart, Australia.
TC-2-2-004: gossan - Mt. Isa, Australia District - Hilton Mine. Franklin College Collections, accessed 12/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/37526