Mawsonite is a brownish orange sulfosalt mineral, containing copper, iron, tin, and sulfur: Cu6Fe2SnS8.
[5] It was named after Australian geologist and Antarctic explorer, Sir Douglas Mawson (1882–1958).
[2] It occurs within hydrothermal copper deposits in altered volcanic rocks.
It also occurs in skarn deposits and as disseminations in altered granites.
It occurs in association with bornite, pyrite, chalcopyrite, chalcocite, digenite, idaite, stannite, stannoidite, pyrrhotite, pentlandite, tennantite, enargite, luzonite–famatinite, kiddcreekite, mohite, native bismuth, galena and sphalerite.