pyroxene

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English[edit]

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Etymology[edit]

From French pyroxène, from pyro- + Ancient Greek ξένος (ksénos, stranger).

Pronunciation[edit]

Noun[edit]

pyroxene (plural pyroxenes)

  1. (mineralogy) Any of a group of crystalline minerals containing silicates of iron, magnesium and calcium.
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 10:
      By the pathside, there are occasional large boulders that shown black crystals the size of a fingernail; these are pyroxene minerals that had time to crystallise out deep within the chamber of liquid rock – or magma – beneath the volcano.

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