To use all functions of this page, please activate cookies in your browser.
With an accout for my.chemeurope.com you can always see everything at a glance – and you can configure your own website and individual newsletter.
- My watch list
- My saved searches
- My saved topics
- My newsletter
Thenardite is an anhydrous sodium sulfate mineral, Na2SO4 which occurs in arid evaporite environments. It also occurs in dry caves and old mine workings as an efflorescence and as a crusty deposit around fumaroles. It occurs in volcanic caves on Mt. Etna, Italy and was named after the French chemist, Louis Jacques Thenard (1777-1826).
Additional recommended knowledge
Thenardite crystallizes in the orthorhombic system and often forms yellowish, reddish to grey white prismatic crystals although usually in massive crust deposits. It has a hardness of 2.5 - 3 and a specific gravity of 2.7. Thenardite is fluorescent, white in shortwave and yellow-green in longwave UV radiation.
Thenardite samples will gradually absorb water and convert to the mineral mirabilite, Na2SO4·10H2O.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Thenardite". A list of authors is available in Wikipedia.|