- Massicot
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Massicot
Massicot, Cerro Gordo Mine, Inyo County, CaliforniaGeneral Category Oxide minerals Chemical formula PbO Strunz classification 04.AC.25 Massicot is one of the natural mineral forms of lead(II) oxide, PbO. Massicot is the orthorhombic dimorph of the tetragonal form of lead oxide, litharge. It forms soft (Mohs hardness of 2) yellow to reddish-yellow, earthy, scaley masses which are very dense, with a specific gravity of 9.64.
It was first described in 1841 for an occurrence in Stolberg, near Aachen, Germany. Massicot is French for "lead oxide".
See also
References
- Palache, C., H. Berman, and C. Frondel (1944) Dana’s system of mineralogy, (7th edition), v. I, 516–517
- Webmineral data
- Mindat with location data
- Mineral data publishing - PDF
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