Some of the cooled lava flows at Tenerife are made of phonolite.

An agpaite is any of a variety of peralkaline igneous rocks, particularly nepheline syenite or phonolite.

Devils Tower is an igneous rock structure. The rock of Devils Tower is composed of phonolite porphyry, an intrusive igneous rock.

Devil's Tower is in Wyoming. It is a geological feature made of an igneous rock called phonolite porphyryl. The site is considered sacred to many tribes in the area.

No. There is a wide variety of volcanic rocks with different textures and compositions. Compositional types include basalt, andesite, dacite, rhyolite, trachyte, and phonolite among others. Textures include tephra, tuff, pumice, and scoria among others.