Lanarkite

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Lanarkite
Lanarkite-sea28d.jpg
General
Category Sulfate minerals
Formula
(repeating unit)
Pb2(SO4)O
Strunz classification 7.BD.40
Crystal system Monoclinic
Crystal class Prismatic (2/m)
(same H-M symbol)
Space group C2/m

Lanarkite is a mineral, a form of lead sulfate with formula Pb2(SO4)O. It was originally found at Leadhills in the Scottish county of Lanarkshire, hence the name. It forms white or light green, acicular monoclinic prismatic crystals, usually microscopic in size. It is an oxidation product of galena.

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