緑岩 りょくがん Meanings Noun greenstone Kanji 緑 green. Read as リョク. 岩 rock. Read as ガン. Words containing 緑岩 閃緑岩 (せんりょくがん) diorite 花崗閃緑岩 (かこうせんりょくがん) granodiorite 輝緑岩 (きりょくがん) diabase Word lists Mineralogy Jinuma: Japanese Dictionary · Word lists