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Porphyry (/ˈpɔːrfɪri/; Greek: Πορφύριος, Porphyrios "purple-clad") may refer to:


  • Porphyry (geology), an igneous rock with large crystals in a fine-grained matrix, often purple, and prestigious Roman sculpture material
  • Shoksha porphyry, quartzite of purple color resembling true porphyry mined near the village of Shoksha, Karelia, Russia
  • Porphyritic, the general igneous texture of a rock with two distinct crystal (phenocryst) sizes
  • Porphyry copper deposit, a primary (low grade) ore deposit of copper, consisting of porphyry rocks


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