laurioniteMin.|ˈlɔːrɪənaɪt| [Named by Köchlin, 1887, from Laurion, in Greece, where it was found: see -ite.] Oxy-chloride of lead, formed by the action of sea-water on ancient lead slags. 1887Amer.Jrnl.Sci. XXXV. 418 Laurionite occurs in white prismatic crystals.1900Brit.Mus. Return 156.