It is formed by the oxidation of galena and chalcopyrite and other copper sulfides.
It is a combined copper lead sulfate hydroxide with formula PbCuSO4(OH)2.
Linarite occurs as monoclinic prismatic to tabular crystals and irregular masses.
[2] It occurs in association with brochantite, anglesite, caledonite, leadhillite, cerussite, malachite and hemimorphite.
[4] This article about a specific sulfate mineral is a stub.