clinkstone
Clink"stone` (; 110), n. Etym: [Clink + stone; -- from its sonorousness.] (Min.) Defn: An igneous rock of feldspathic composition, lamellar in structure, and clinking under the hammer. See Phonolite.
Clink"stone` (; 110), n. Etym: [Clink + stone; -- from its sonorousness.] (Min.) Defn: An igneous rock of feldspathic composition, lamellar in structure, and clinking under the hammer. See Phonolite.