kie·ser·ite /ˈkizəˌraɪt/
  水鎂礬
  Kie·ser·ite n.  Min. Hydrous sulphate of magnesia found at the salt mines of Stassfurt, Prussian Saxony.
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  kieserite
       n : a white mineral consisting of hydrous magnesium sulfate
           often found in salt mines