chiastolite

English

Etymology

From Ancient Greek χιαστός (khiastós, arranged diagonally) derived from χι (khi, Greek letter X khi) +‎ -lite. So called from the resemblance of the crosscuts of its crystals to the Greek letter chi.

Noun

chiastolite (countable and uncountable, plural chiastolites)

  1. (mineralogy) An aluminosilicate mineral having carbon inclusions, a variety of andalusite.

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Further reading

  • David Barthelmy (1997–2026), “Chiastolite”, in Webmineral Mineralogy Database.
  • chiastolite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.