Definition of sylvinite in English:

sylvinite

Syllabification: syl·vin·ite
Pronunciation: /ˈsilvəˌnīt
 
/

noun

A mixture of the minerals sylvite and halite, mined as a source of potash.
More example sentences
  • The most important source of potash in the United States is a mine near Carlsbad, New Mexico, that produces sylvinite.
  • The potash ore in the Sallent mine is a reddish mineral known as sylvinite, a form of potassium chloride.
  • It occurs naturally as the mineral sylvite and in combination with sodium chloride as sylvinite.

Origin

late 19th century: from sylvine + -ite1.

Definition of sylvinite in:

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