Millosevichite is a rare sulfate mineral with the chemical formula Al2(SO4)3.

It forms finely crystalline and often porous masses.

It was named for Italian mineralogist Federico Millosevich (1875–1942) of the University of Rome.

[2][5] It occurs with native sulfur, sal ammoniac, letovicite, alunogen and boussingaultite.

This article about a specific sulfate mineral is a stub.