ussingite

== English == === Etymology === From Ussing +‎ -ite, after Niels Viggo Ussing (1864-1911). === Noun === ussingite (uncountable) (mineralogy) A white or reddish-pink silicate mineral with chemical formula Na2AlSi3O8(OH). === Further reading === David Barthelmy (1997–2026), “Ussingite”, in Webmineral Mineralogy Database. “ussingite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.