A1L1U1M3S1T1O1N1E1
11 points
ALUMSTONE is validvalid
a translucent colorless potassium alum mineral salt [n ALUMSTONES]
a hydrous sulphate of aluminum and potassium, aka alunite [n -S]
a translucent colorless potassium alum mineral salt [n ALUMSTONES]
a hydrous sulphate of aluminum and potassium, aka alunite [n -S]