Polyhalite

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Polyhalite (Min) 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.
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Century Dictionary and Cyclopedia
    • polyhalite A mineral or salt occurring in masses of a fibrous structure, of a brick-red color, being tinged with iron. It is a hydrous sulphate of calcium, magnesium, and potassium. It is found at Ischl in Austria, and also at Berchtesgaden in Bavaria.
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Etymology

Webster's Revised Unabridged Dictionary
Poly-, + Gr. salt