About The Word Porphyry

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Porphyry

Porphyry Meaning & Definition
Porphyry Definition And Meaning

What's The Definition Of Porphyry?

[n] any igneous rock with crystals embedded in a finer groundmass of minerals

Synonyms | Synonyms for Porphyry: porphyritic rock

Related Terms | Find terms related to Porphyry:

See Also | groundmass | igneous rock

Porphyry In Webster's Dictionary

\Por"phy*ry\, n.; pl. {Porphyries}. [F. porphyre, L. porphyrites, fr. Gr. ? like purple, fr. ? purple. See {Purple}.] (Geol.) 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. {Porphyry shell} (Zo["o]l.), a handsome marine gastropod shell ({Oliva porphyria}), having a dark red or brown polished surface, marked with light spots, like porphyry.

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