飯いい盛もり石せきMeanings1nouniimoriite-(Y)geologyA rare yttrium-bearing silicate mineral named after the Iimori mine in Japan. Technical term used in geology and mineralogy.飯いい盛もり石せきは、日本にほんの飯いい盛もり鉱こう山ざんで発はっ見けんされた希き少しょうな鉱こう物ぶつです。Iimoriite-(Y) is a rare mineral discovered at the Iimori mine in Japan.