cyanite
Cy"a*nite (-nt), n. Etym: [See Cyanic.] (Min.) Defn: A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [Written also kyanite.]
Cy"a*nite (-nt), n. Etym: [See Cyanic.] (Min.) Defn: A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [Written also kyanite.]