No pumice is not a porphyritic igneous rock, a porphyritic rock is characterized by the presence of phenocrysts (large mineral grains) and very small mineral grains with none in between. This implies that there was two different stages of cooling. Pumice is an extrusive igneous rock that cooled very quickly.
Pumice is volcanic or igneous.
Pumice is an extrusive igneous rock, not a mineral.
YES! It is an extrusive Igneous rock
Pumice is volcanic or igneous.
Three types of igneous rocks are pumice, basalt, and granite.
Yes
Pumice is classified as a felsic, glassy, highly vesicular, extrusive igneous rock.
Neither. Both pumice and obsidian are igneous.
I think it's Pumice
The types of atoms in a pumice rock are igneous
Pumice is a volcanic "froth".