Revision as of 21:29, 3 December 2024 by Admin(talk | contribs)(Created page with "{{ Ore | name=Carrollite | freq=common | hardness=4.5-5.5 | density=4.8 | chemf=CuCo2S4 | issulfide=yes | m1=Co | m2=Cu | m3=Ni | redtemp=reduction temperature (in °C) | calctemp=700 | oxide=Co3O4 }} Carrollite, along with cobaltite, is a primary ore of cobalt. (It may contain measurable fractions of nickel as well)")