Differs from alunite by having a slightly higher water content.
References for Calafatite
Reference List:
Calderon (1910): 2: 205.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 556, 559.
