Adranosite

{{Infobox mineral|name=Adranosite |image=|alt=|caption=|category=ammonium sulfate chloride|formula=(NH₄)₄NaAl₂(SO₄)₄Cl(OH)₂

|IMAsymbol=Arn{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|url=https://www.cambridge.org/core/journals/mineralogical-magazine/article/imacnmnc-approved-mineral-symbols/62311F45ED37831D78603C6E6B25EE0A|journal=Mineralogical Magazine|volume=85|pages=291–320}}

|strunz=|dana=|system=Tetragonal|class=Ditetragonal Dipyramidal|symmetry=|unit cell=|color=|colour=|habit=|twinning=|cleavage=|fracture=|tenacity=|mohs=|luster=|streak=|diaphaneity=|gravity=|density=|polish=|opticalprop=|refractive=|birefringence=|pleochroism=|2V=|dispersion=|extinction=|length fast/slow=|fluorescence=|absorption=|melt=|fusibility=|diagnostic=|solubility=|impurities=|alteration=|other=|prop1=|prop1text=|references=Demartin, Francesco, Carlo Maria Gramaccioli, and Italo Campostrini. "Adranosite,(NH4) 4NaAl2 (SO4) 4Cl (OH) 2, a new ammonium sulfate chloride from La Fossa crater, Vulcano, Aeolian Islands, Italy." The Canadian Mineralogist48.2 (2010): 315-321.{{Cite web|url=https://www.mindat.org/min-39324.html|title=Adranosite: Adranosite mineral information and data.|website=www.mindat.org|access-date=2017-12-30}}}}

Adranosite is a mineral discovered in the La Fossa crater, Vulcano, Aeolian Islands, Italy, with the formula (NH₄)₄NaAl₂(SO₄)₄Cl(OH)₂. Adranosite-(Fe) is the Fe3+ analogue of adranosite, with the formula (NH₄)₄NaFe₂(SO₄)₄Cl(OH)₂.Mitolo, Donatella, et al. "Adranosite-(Fe),(NH4) 4NaFe2 (SO4) 4Cl (OH) 2, a new ammonium sulfate chloride from La Fossa Crater, Vulcano, Aeolian Islands, Italy." The Canadian Mineralogist 51.1 (2013): 57-66.