Chi*as"to*lite (?), n. [Gr. marked with a χ + -lite. See Chiasm. So called from the resemblance of the cross cuts of is crystals to the Greek letter χ.] Min.
A variety of andalusite; -- called also macle. The tesselated apperance of a cross section is due to the symmetrical arrangement of impurities in the crystal.
© Webster 1913.