Adranosite is a mineral discovered in the La Fossa crater, Vulcano, Aeolian Islands, Italy, with the formula (NH<sub>4</sub>)<sub>4</sub>NaAl<sub>2</sub>(SO<sub>4</sub>)<sub>4</sub>Cl(OH)<sub>2</sub>. Adranosite-(Fe) is the Fe3+ analogue of adranosite, with the formula (NH<sub>4</sub>)<sub>4</sub>NaFe<sub>2</sub>(SO<sub>4</sub>)<sub>4</sub>Cl(OH)<sub>2</sub>.