ETYM French porphyre, Latin porphyrites, from Greek porphyra purple. Related to Purple.
Beautiful and valuable purplish stone.
Rock composed of crystals in purple-colored matrix; any rock of like composition.
Any igneous rock containing large crystals in a finer matrix.
Any igneous rock with crystals embedded in a finer groundmass of minerals; SYN. porphyritic rock. + prikaži više