Phonolite
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| Did you know | The typical phonolite is a fine-grained, compact igneous rock that splits into thin, tough plates which make a ringing sound when struck by a hammer, hence the rock's name. |
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| ID | 965983 |
About Phonolite
Phonolite is an uncommon extrusive rock, of intermediate chemical composition between felsic and mafic, with texture ranging from aphanitic to porphyritic. Its intrusive equivalent is nepheline syenite.
Phonolite Photos
