fay·a·lite 
(fāə-līt′)
(fāə-līt′)n.
A yellowish to black mineral, Fe2SiO4, of the olivine group.
[German Fayalit, from Fayal, Faial.]
- controversiality
- controversially
- controversy
- controvert
- controvertible
- contumacious
- contumaciously
- contumaciousness
- contumacy
- contumelious
- contumeliously
- contumely
- contuse
- contusion
- conundrum
- conurbation
- conus arteriosus
- convalesce
- convalescence
- convalescent
- convect
- convection
- convectional
- convection oven
- convection zone