Category Sulfate minerals Strunz classification 7.BD.40 Space group C2/m | Formula
(repeating unit) Pb2(SO4)O Crystal system Monoclinic | |
 | ||
Crystal class Prismatic (2/m)
(same H-M symbol) | ||
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.
Map of South Lanarkshire, UK
References
Lanarkite Wikipedia(Text) CC BY-SA