Crystal Structure of Alunite

Id9015096
Mineral nameAlunite
a (Å)6.9771
b (Å)6.9771
c (Å)17.360
α (°)90
β (°)90
γ (°)120
V (Å3)731.864
Space groupR -3 m :H
Publication: Mineralogical Magazine (2012) 76, 613-623