Difference between revisions of "Phonolite"
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Revision as of 07:41, 24 July 2013
Description
A light colored volcanic rock composed of aluminum potassium silicate. Phonolite is used in the production of glass and as an ore for aluminum. Some varieties of phonolite produce clear tones when struck.
Synonyms and Related Terms
clinkstone; fonolita (Esp.); phonolithe (Fr.); fonolito (Port.); Phonolith (Deut.); fonoliet (Ned.)