porphyry
por-phy-ry
noun
An igneous rock with large, distinct crystals set in a fine-grained groundmass.
"The Roman emperors favoured purple porphyry for their statues."
Thesaurus
Synonyms: porphyritic rock
por-phy-ry
An igneous rock with large, distinct crystals set in a fine-grained groundmass.
"The Roman emperors favoured purple porphyry for their statues."
Synonyms: porphyritic rock