"Porphyre" is a word in ENGLISH

The amorphous or homogenous matrix or ground mass, as distinguished from well-defined crystals; as, the magma of porphyry.

A massive, compact limestone; a variety of calcite, capable of being polished and used for architectural and ornamental purposes. The …

A greenish spotted porphyry, being a diabase whose pyroxene has been altered to uralite; -- first found in the Pyreness. …

of Porphyry

Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, …

To cause to resemble porphyry; to make spotted in composition, like porphyry.

A term used somewhat loosely to designate a rock consisting of a fine-grained base (usually feldspathic) through which crystals, as …

In Egyptian art, an image of granite or porphyry, having a human head, or the head of a ram or …

Not stratified; -- applied to massive rocks, as granite, porphyry, etc., and also to deposits of loose material, as the …

A green porphyry called oriental verd antique.