Chiastolite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An aluminosilicate mineral having carbon inclusions, a variety of andalusite. countable, uncountable

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.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.