Formula: PbO simple oxide, dimorph of litharge
Specific gravity: 9.56
Colour: Yellow, sometimes with a reddish tint. Nearly colourless to pale yellow in transmitted light.
Massicot is a rare mineral of secondary origin associated with galena and dimorphous with
litharge. It may be an oxidation product of galena,
bournonite, boulangerite or other lead-bearing minerals and
it is also found as a sublimation product in fumeroles.
It is associated with cerussite, litharge,
minium, wulfenite, antimony oxides and
Back to Minerals