The Collaborative International Dictionary
Disthene
Disthene \Dis"thene\, n. [Gr. di- = di`s- twice + ? force: cf. F. disth[`e]ne.] (Min.) Cyanite or kyanite; -- so called in allusion to its unequal hardness in two different directions. See Cyanite.
Wiktionary
disthene
n. (context mineral English) kyanite.
Usage examples of "disthene".
Disthene: Also known as kyanite, Disthene is an abundant ornamental stone that is easily cleaved, but difficult to cut in facets without unintended splitting occurring.