clinkstone

2 definitions found

clinkstone - Collaborative International Dictionary of English v.0.48 :

  Phonolite \Pho"no*lite\, n. [Phono- + -lite: cf. F. phonolithe.]
     (Min.)
     A compact, feldspathic, igneous rock containing nephelite,
     ha["u]ynite, etc. Thin slabs give a ringing sound when
     struck; -- called also clinkstone.
     [1913 Webster]

  Clinkstone \Clink"stone`\ (?; 110), n. [Clink + stone; -- from
     its sonorousness.] (Min.)
     An igneous rock of feldspathic composition, lamellar in
     structure, and clinking under the hammer. See Phonolite.
     [1913 Webster]