bn:00063635n
Noun Concept
Categories: Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Porphyritic rocks, Articles with short description, Volcanic rocks, Sculpture materials
EN
porphyry  porphyritic rock  Imperial porphyry  granite porphyry  Igneous rock porphyry
English:
texture
geology
rock
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EN
Porphyry is any of various granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass. Wikipedia
An igneous rock with large crystals in a fine-grained matrix and important Roman building material Wikipedia Disambiguation
Variety of igneous rock Wikidata
A hard igneous rock consisting of large crystals in a fine-grained matrix. Wiktionary
WordNet 3.0 & Open English WordNet
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