alunite
noun
al·u·nite
ˈal-yə-ˌnīt 
ˈa-lə-
: a mineral that consists of a hydrous potassium aluminum sulfate and occurs in massive form or in rhombohedral crystals
Word History
Etymology
French, from alun alum
First Known Use
1821, in the meaning defined above
Dictionary Entries Near alunite
Cite this Entry
“Alunite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alunite. Accessed 18 Apr. 2024.
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Britannica.com: Encyclopedia article about alunite
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