Japanese opal localities

385 localities

A list of Japanese opal localities described in citable papers and books. The list is edited based on the editing policy of location lists.

Year of description: Location (Prefecture, Synonym, Comments)
Year 1890: Shinyu hot spring (Toyama, Mount Tateyama, Oolitic), Ono river (Oita, Oolitic)
Year 1894: Mount Hokazan (Nagasaki), Yufuin (Oita), Notsuhara (Oita, Ono), Sanbonmatsu (Nara, Murou), Mount Nishigatake (Saga, Yamazaki-Koba)
Year 1895: Mount Yufudake (Oita), Bodaiji (Ishikawa, Nata, Akaze)
Year 1897: Makurazaki (Kagoshima, Kawabe)
Year 1898: Soun-Jigoku (Kanagawa, Hakone), Maze seashore (Niigata, Iwamuro), Noto (Ishikawa, Koburi-ishi)
Year 1900: Kawachi (Nagasaki, Sonogi), Iwaya (Nagasaki, Kawatana), Mount Sanyu (Fukushima, Sugita), Nihonmatsu (Fukushima, Adachi), Yagenyama (Nagano, Kita-Minochi), Togari (Gifu, Mizunami), Kuzunoyu hot spring (Nagano, Kita-Azumi), Yamanota (Gifu, Hirukawa), Mount Muramatsu (Fukuoka, Hoshino), Kawachi (Kagawa, Mito), Sai river (Fukuoka, Kyoto), Handa (Oita), Hachiman (Oita, Kusu), Mount Unzen (Nagasaki), Higashi-Ichiki (Kagoshima, Hioki), Mount Hanaoka (Kumamoto, Hotaku), Misumi (Kumamoto, Udo), Tamatsukuri (Shimane, Yatsuka), Sekita (Fukushima Iwaki)

See Japanese page for more localities.