Meaning of alunite

al•u•nite

Pronunciation: (al'yu-nīt"), [key]
— n.
  1. a mineral, a hydrous sulfate of potassium and aluminum, KAl(SO)(OH), commonly occurring in fine-grained masses. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.