| Mineralogy. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks. |
chrys·o·lite (krĭs'ə-līt') n. See olivine. [Middle English crisolite, from Old French, from Medieval Latin crīsolitus, from Latin chrȳsolithus, from Greek khrūsolithos, topaz : khrūso-, chryso- + lithos, stone.] |