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.
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.