BIOTITE /ˈbaɪəˌtaɪt/ Scrabble 9 Words With Friends 10 Scrabble letter values: B3I1O1T1I1T1E1 = 9 Definition noun dark brown to black mica found in igneous and metamorphic rock. See all 28 words you can make from BIOTITE → 7-letter words Words starting with B Words ending with E ← Unscramble different letters