Kyo-Iro Fountain Pen Ink - Ruri Iro ShimmerLapis Lazuli Fountain Pen Ink All Kyo Iro inks are handmade in Kyoto, Japan using traditional dyeing techniques and materials. Ruriiro is a bright blue with a deep purple hue. Lapis lazuli is precious stone. The lapis lazuli color associated with the color of the gem was also considered sacred as the supreme color. "Kyo no Oto" is a series of writing inks that reproduce traditional Japanese colors that have been used since the Heian period with modern