Lanarkite

Mineral Pb2(SO4)O

Take care.

About it

Slender, pale, very heavy blades in oxidized lead ore, much rarer than anglesite. Named for Lanarkshire in Scotland, where it was found at Leadhills.

Type
Mineral
Group
Sulfate, lead oxysulfate
Formula
Pb2(SO4)O
Hardness (Mohs)
2–2.5
Specific gravity
6.9–7
Streak
white
Lustre
adamantine (diamond-like), pearly
Crystal system
Monoclinic
Colours
white, pale grey, pale yellow, pale green
Transparency
transparent, translucent
Cleavage and fracture
perfect in one direction

Typical values: real specimens vary. For more, see mindat.org.