chiastolite Meaning, Definition & Usage

Chi*as"to*lite noun
Etymology
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.
Definitions
  1. (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