P3H4O1N1O1L1I1T1E1S1
15 points
PHONOLITES is validvalid
PHONOLITE, [n]
PHONOLITE, a fine-grained intermediate igneous rock that rings when struck by a hammer, aka clinkstone [n]
PHONOLITE, [n]
PHONOLITE, a fine-grained intermediate igneous rock that rings when struck by a hammer, aka clinkstone [n]