(n) :
Alternative form of alunite. [(mineralogy) A gray whitish, water-soluble mineral, potassium aluminium sulphate; the natural source of alum, KAl₃(SO₄)₂(OH)₆.]
(n) :
Alternative form of alunite. [(mineralogy) A gray whitish, water-soluble mineral, potassium aluminium sulphate; the natural source of alum, KAl₃(SO₄)₂(OH)₆.]