lanarkite


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lanarkite

[′lan·ər‚kīt]
(mineralogy)
Pb2OSO4 A white, greenish, or gray monoclinic mineral consisting of basic lead sulfate, with specific gravity of 6.92; formed by action of heat and air on galena.
References in periodicals archive ?
It has been found as microcrystals with caledonite, leadhillite and susannite on quartz, and in cavities in etched galena with minute sprays of pale blue lanarkite.
A remarkably fine lanarkite from Scotland is now in the Russell collection at the Natural History Museum in London, together with three Scottish minerals illustrated or mentioned in James Sowerby's British Mineralogy of 1804-1817: a millerite (plate 158) from Lord Elgin's lime quarry at Broomhall in Fifeshire, a water-worn blue topaz, mentioned but not illustrated (plate 163) and an etched beryl (plate 421).
Matlockites, Suzannites, Leadhillites, Lanarkites, Caledonites, Chromo-phosphates [chromian pyromorphite], Pyromorphites, Kampylites, Vanadinites, Wulfenites, and Linarites.