宝石学 ほうせきがく Meanings Noun gemology; gemmology Kanji 宝 treasure. Read as ホウ. 石 stone. Read as セキ. 学 study. Read as ガク. Words containing 宝石学 宝石学会 (ほうせきがっかい) Gemological Institute of America Jinuma: Japanese Dictionary · Word lists