cyanite Meaning, Definition & Usage
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noun a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory
kyanite.
WordNet
Cy"a*nite noun
Etymology
SeeDefinitions
(Min.) A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. Written also kyanite .