Alunite - Wikipedia, the free encyclopediaAlunite is a hydrated aluminium potassium sulfate mineral, formula KAl3(SO4)2(OH)6. . The more compact kinds from Hungary are so hard and tough that they have been used for millstones. Historically extensive deposits were mined in.what alunite is used for,alunite | mineral | BritannicaAlunite, also called Alum Stone, a widespread rock-forming sulfate mineral that . It has been used as a source of potash (during World War I) and as a source of.Alunite | Define Alunite at DictionaryAlunite definition, a mineral, a hydrous sulfate of potassium and aluminum, KAl 3 (SO 4) . Learn the correct uses of these two commonly confused homophones.
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