'Clinkstone' definitions:

Definition of 'Clinkstone'

From: GCIDE

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]

Definition of 'clinkstone'

From: GCIDE

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]

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