fay·a·lite 
(fāə-līt′)
(fāə-līt′)n.
A yellowish to black mineral, Fe2SiO4, of the olivine group.
[German Fayalit, from Fayal, Faial.]
- spectrogram
- spectrograph
- spectrographic
- spectrographically
- spectrography
- spectroheliogram
- spectroheliograph
- spectroheliographic
- spectroheliography
- spectrohelioscope
- spectrohelioscopic
- spectrometer
- spectrometric
- spectrometry
- spectrophotometer
- spectrophotometric
- spectrophotometry
- spectroscope
- spectroscopic
- spectroscopical
- spectroscopically
- spectroscopic analysis
- spectroscopic binary
- spectroscopist
- spectroscopy