Word Meaning

porphyry definition and meaning

n. A term used somewhat loosely to designate a rock consisting of a fine-grained base (usually feldspathic) through which crystals, as of feldspar or quartz, are disseminated. There are red, purple, and green varieties, which are highly esteemed as marbles.

Crossword clues for porphyry

- Purplish red igneous stone