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Porphyritic :: Porphyritic (a.) Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline..

Unstratified :: Unstratified (a.) Not stratified; -- applied to massive rocks, as granite, porphyry, etc., and also to deposits of loose material, as the glacial till, which occur in masses without layers or strata..

Porphyrize :: Porphyrize (v. t.) To cause to resemble porphyry; to make spotted in composition, like porphyry..

Porphyre :: Porphyre (n.) Porphyry.

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

Ophite :: Ophite (n.) A greenish spotted porphyry, being a diabase whose pyroxene has been altered to uralite; -- first found in the Pyreness. So called from the colored spots which give it a mottled appearance..

Marble :: Marble (n.) A massive, compact limestone; a variety of calcite, capable of being polished and used for architectural and ornamental purposes. The color varies from white to black, being sometimes yellow, red, and green, and frequently beautifully veined or clouded. The name is also given to other rocks of like use and appearance, as serpentine or verd antique marble, and less properly to polished porphyry, granite, etc..

Sphinx :: Sphinx (n.) In Egyptian art, an image of granite or porphyry, having a human head, or the head of a ram or of a hawk, upon the wingless body of a lion..

Porphyry :: Porphyry (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..

Verd Antique :: Verd antique () A green porphyry called oriental verd antique.

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