Min. [Named by Beudant, 1832, from Leadhills in Scotland, the locality where it was found: see -ITE.] A sulphato-carbonate of lead, found in whitish pearly crystals.
1835. C. U. Shepard, Treat. Min., II. 6.
1852. Phillips Min., 565. Haidinger was led to suppose the crystallization of leadhillite to be oblique.
1885. Erni, Min. Simplified, 262. Leadhillite crystallizes in the orthorhombic system.