灰長石 かいちょうせき Meanings Noun anorthite Kanji 灰 ash. Read as カイ. 長 long. Read as チョウ. 石 stone. Read as セキ. Words containing 灰長石 曹灰長石 (そうかいちょうせき) labradorite Word lists Mineralogy Jinuma: Japanese Dictionary · Word lists