Min. [f. Luxullian its locality in Cornwall + -ITE.] (See quots.)
1878. Lawrence, trans. Cotta’s Rocks Class., 199. The name Luxullianite has been proposed … for a porphyroidal granite, in which the mica is replaced by tourmaline.
1879. Rutley, Study Rocks, xii. 210. Luxullianite is composed of schorl, flesh-coloured orthoclase, and quartz.
