pyritohedron

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Archived revision by Latrissium (talk | contribs) as of 19:14, 16 August 2019.
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English

Etymology

pyrite +‎ -o- +‎ -hedron

Noun

pyritohedron (plural pyritohedra)

  1. (mathematics) an irregular dodecahedron, the faces of which are identical but irregular pentagons
  2. (mineralogy) the shape of one of the crystal habits of pyrite
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