セルサイトMeanings1nouncerussiteA mineral, lead carbonate (PbCO₃), also known as white lead ore. Technical term used in mineralogy and geology.See also: 白鉛鉱セルサイトは鉛なまりの重じゅう要ような鉱こう石せき鉱こう物ぶつの一ひとつです。Cerussite is one of the important ore minerals of lead.