type of igneous rock that rings when struck
• (n.) An igneous rock of feldspathic composition, lamellar in structure, and clinking under the hammer. See Phonolite.
Clink'stone` noun [ Clink + stone ; -- from its sonorousness.] (Min.) An igneous rock of feldspathic composition, lamellar in structure, and clinking under the hammer. See Phonolite .