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n.1.(Min.) A mineral consisting of sulphate of lead, occurring either massive or in long slender prisms, of a greenish white or gray color.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Mattheddleite occurs as etched prisms and pinkish masses on lead-hillite and cerussite and as sharp prismatic crystals with pyramidal terminations encrusting lanarkite.
1139 Lanarkite and Leadhillite, Leadhills, Scotland, no.
The National Museum of Scotland brought several large cases-full of outstanding specimens of classic Scottish and English minerals: Leadhills lanarkite, leadhillite and anglesite; Cornish bournonite; Cumbrian calcite; and zeolites from the Isle of Skye were among the standouts.