from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A whitish to yellowish hydrous magnesium sulfate mineral, MgSO4·H2O, found in salt residues.

from The Century Dictionary.

  • noun A hydrated sulphate of magnesium, occurring in considerable beds with rock-salt at Stass-furt, Prussia, and elsewhere.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) Hydrous sulphate of magnesia found at the salt mines of Stassfurt, Prussian Saxony.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A saline evaporite, consisting of hydrated magnesium sulphate

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a white mineral consisting of hydrous magnesium sulfate often found in salt mines


from The American Heritage® Dictionary of the English Language, 4th Edition

[After Dietrich Georg Kieser, (1779–1862), German physician.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Kieser +‎ -ite. After the German D. G. Kieser (1779-1862) in 1860.


  • Above this last layer there is a layer of about 90 feet, containing kieserite (magnesium sulphate) mixed with potassium and magnesium chlorides; and above this again is a layer (90 feet) of carnallite, which furnishes the chief source of the potash salts used for manurial purposes.

    Manures and the principles of manuring

  • "Since then we have been applying 200-300kg/ha of a fertiliser blend containing kieserite (magnesium sulphate) and ammonium sulphate, along with NPK and sodium, 6-7 times a year."

    FWi - All News

  • The usual form of compound fertilizer used is a mixture of urea, double superphosphate, muriate of potash and kieserite to supply the magnesium.

    Article Source

  • Using kieserite (magnesium sulphate) would be too expensive, so Mr Land's recommended an alternative.

    FWi - All News

  • Which of these is good for nickel: kernite, kutnahorite, kullerudite, kieserite? Geology


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