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alunite

noun
al·u·nite | \ˈal-yə-ˌnīt, ˈa-lə-\

Definition of alunite 

: a mineral that consists of a hydrous potassium aluminum sulfate and occurs in massive form or in rhombohedral crystals

First Known Use of alunite

1821, in the meaning defined above

History and Etymology for alunite

French, from alun alum

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Dictionary Entries near alunite

alumstone

alun-alun

Alundum

alunite

alunogen

alupag

Alur

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The first known use of alunite was in 1821

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More from Merriam-Webster on alunite

Britannica.com: Encyclopedia article about alunite

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