Epsomite
Origin
Epsom + -ite, named after the place Epsom in England in 1824.
Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997
James D. Dana: Dana's System of Mineralogy. Volume II, seventh edition, revised by Charles Palache, Harry Berman, and Clifford Frondel. John Wiley & Sons, 1951
Full definition of epsomite
Noun
epsomite
(uncountable)- (mineral) A saline evaporite, consisting of magnesium sulphate, also found in fumaroles, with the chemical formula MgSO4·7H2O.