Lanarkite n. : A mineral consisting of sulphate of lead, occurring either massive or in long slender prisms, of a greenish white or gray color.

Example:


Taxonomy
Lanarkite, free encyclopedia, search, mineral, formula, Pb2, SO4, light green, acicular, prismatic crystals, sulfate mineral, Personal tools, Interaction, Toolbox, Languages, non-profit organization, Sulfate minerals, lead sulfate.

Defination from the web:
Lanarkite. From Wikipedia, the free encyclopedia. Jump to: navigation, search. 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, ...