Porphyry (Greek Πορφύριος "purple-clad") may refer to:

• Porphyry of Tyros (c. 233–c. 305), a Neoplatonic philosopher.
• Porphyry (geology), a very hard red, green or purple igneous rock consisting of large-grained crystals, such as feldspar or quartz, dispersed in a fine-grained matrix (groundmass).
• Porphyry of Gaza, a saint and bishop of Gaza ca. 347–420.

==See also= (For other meanings of Porphyr, see Porphyry) Porphyry (c. ... Events Roman Emperor Alexander Severus wins a war against the Persians. ... Events May 1 - Diocletian and Maximian, emperors of Rome, retire from office. ... Neoplatonism (also Neo-Platonism) is an ancient school of philosophy beginning in the 3rd century A.D. It was based on the teachings of Plato and Platonists; but it interpreted Plato in many new ways, such that Neoplatonism was quite different from what Plato taught, though not many Neoplatonists would... (For other meanings of Porphyr, see Porphyry) Porphyry is a very hard igneous rock consisting of large-grained crystals, such as feldspar or quartz, dispersed in a fine-grained feldspathic matrix or groundmass. ... Jump to: navigation, search Volcanic rock on North America Plutonic rock on North America Igneous rocks are formed when molten rock (magma) cools and solidifies, with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. ... Saint Porphyry (347–420), bishop of Gaza 395 - 420, was canonized for Christianizing the recalcitrant pagan city of Gaza. ... The city of Gaza is the principal city in the Gaza Strip. ... // Events End of the Jin Dynasty in China. ...