• Webster's Revised Unabridged Dictionary
    • n Alunite (Min) Alum stone.
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Century Dictionary and Cyclopedia
    • n alunite Same as alum-stone.
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Chambers's Twentieth Century Dictionary
    • n Alunite al′un-īt a mineral consisting of common alum together with normal hydrate of aluminium
    • Alunite Also Alum-stone, Alumin′ilite
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In literature:

Alunite is a potassium-aluminum sulphate, which differs from sericite in that sulphur takes the place of silicon.
"The Economic Aspect of Geology" by C. K. Leith