Min. [After Ger. klingstein: so called from its clinking like iron when struck.] A compact felspathic rock, generally of a greyish-blue color, and distinguished from grey basalt by its lower specific gravity.
1811. Pinkerton, Petral., I. 75. Clink-stone … has no sort of relation to the family of basalts.
1850. Daubeny, Atom. The., xii. (ed. 2), 418. Clinkstone … has been shewn by Gmelin to be an intimate mixture of glassy felspar with a zeolite.
1876. Page, Adv. Text-bk. Geol., vii. 134. The clinkstones or phonolites … differ little from the basalts in composition.
1877. Amelia B. Edwards, Up Nile, xvii. 456. They [the stones] ring like clinkstone when struck.
