ky·a·nite 
(kīə-nīt′) also cy·a·nite (sīə-)
(kīə-nīt′) also cy·a·nite (sīə-)n.
A bluish-green to colorless mineral, Al2SiO5, used as a refractory.
[Greek kuanos, dark blue enamel + -ITE1.]
- pocket battleship
- pocket billiards
- pocketbook
- pocket borough
- pocket bread
- pocket edition
- pocketful
- pocket gopher
- pocketknife
- pocketless
- pocket money
- pocket mouse
- pocket park
- pocketsful
- pocketsize
- pocket-sized
- pocket veto
- pocket-veto
- pockmark
- pockmarked
- pocky
- poco
- poco a poco
- pococurante
- pococurantism