Disthene
Disthene , noun
[Greek di- = di`s- twice + {not transcribed} force: compare French disthène.]
(Mineralogy) Cyanite or kyanite; -- so called in allusion to its unequal hardness in two different directions. See Cyanite.
Disthene , noun
[Greek di- = di`s- twice + {not transcribed} force: compare French disthène.]