木下石きのしたせきMeanings1nounkinoshitalitegeologyA rare barium-rich mica mineral, named after the Japanese mineralogist Kinoshita. Used in geological contexts.See also: 木下雲母木下きのした石せきはバリウムを含ふくむ雲うん母もの一いっ種しゅです。Kinoshitalite is a type of mica that contains barium.