Autumn・Jewel “Sougyoku” – Japanese Kanji Symbols for Sapphire 投稿者: japanese-kanjisymbols 投稿日: 2011/10/31 I wrote “Sougyoku“. It’s Japanese kanji symbols for “Sapphire”. It’s one of the birthstones of September. “Sou” means Blue “Gyoku” means a Ball As for the stone words, Love, Honest, Chastity. What jewel Do you like? Please let me know your favorite words about a jewel.