Definition of thenardite in English:

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Pronunciation: /THəˈnärdīt/ Pronunciation: /tə-/


A white to brownish translucent crystalline mineral occurring in evaporated salt lakes, consisting of anhydrous sodium sulfate.
Example sentences
  • Sulphate-rich waters in bitter lakes produce mirabilite which alters on exposure to thenardite both along the margins of the lake and in its deeper parts.
  • The mineral, which occurs with lyonsite and thenardite, formed as a sublimate from the volcanic gases.
  • It redissolves in summer and is eventually transformed on shores in powdered thenardite, which is easily blown away by wind from the shores, as water level is lower.


Mid 19th century: from the name of Baron Louis-Jacques Thénard (1777–1857), French chemist, + -ite1.

For editors and proofreaders

Syllabification: the·nard·ite

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