Citation: Troyanov, S I; Merinov, B V; Verin, I P; Kemnitz, E; Hass, D (1990). Crystal structure of acid magnesium sulphate Mg:SO~3~(OH):~2~:SO~2~(OH)~2~:~2~. Kristallografiya, 35, pp. 852-855.
Formula: H6 Mg O16 S4
Chemical name:Magnesium bis(hydrogensulfate) bis(sulfuric acid)