lenziniteMin.|ˈlɛnzɪnaɪt| [Named by J. F. John, 1816, after Dr. J. G. Lenz: see -in and -ite.] An opal-like variety of halloysite. 1823W. Phillips Min. (ed. 3) 87 Lenzinite..has been divided into two varieties.1837Dana Min. 250 The Lenzinite of John, from Kall,..in Prussia.