Noun
lipscombite
(mineralogy) A tetragonal-trapezohedral mineral containing hydrogen, iron, manganese, oxygen, and phosphorus.
American Chemical Society, Washington, D.C., 2002 ("Process of Discovery (1977); An Autobiographical Sketch" by William Lipscomb, 14 pp. (Lipscombite: p. xvii), and Chapter 1: "The Landscape and the Horizon. Source: Internet