phonolite (Crossword)
We didn't find answers to the clue “Phonolite” but we did find a clue
where “Phonolite” could be the answer:
- Clue: Hard igneous rock
Answer: phonolite
Definitions of “phonolite”
If the answer you seek is not in the answers above these definitions may help solving your crossword puzzle.• Phonolite, phonolitic Name for various volcanic rocks which ring when struck
• Phonolite or clinkstone is a volcanic rock, consisting essentially of nepheline and sanidine feldspar
• Phonolite is a rare extrusive volcanic rock of intermediate chemical composition between felsic and mafic
• Any member of a group of extrusive igneous rocks (lavas) that are rich in nepheline and potash feldspar
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