Webster's 1828 Dictionary
POLYHALITE
n.[Gr. many, and salt. ] A mineral or salt occurring in masses of a fibrous structure, of a brick red color, being tinged with iron. It contains sulphates of lime, of magnesia, of potash and of soda.
Webster's 1913 Dictionary
POLYHALITE
Pol `y *ha "lite, n. Etym: [Poly- + Gr. (Min. )
Defn: A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.
Duden Dictionary
Polyhalit
Po ly ha lit Substantiv, maskulin Chemie , der |Polyhal i t auch …ˈlɪt |der Polyhalit; Genitiv: des Polyhalits, Plural: die Polyhalite griechisch-neulateinisch fettig glänzendes, weißes, graues, gelbes oder rotes Mineral, komplexes Kalimagnesiumsalz, das als Düngemittel verwendet wird