A type of well tea bowl produced in Korea. It is so named because of its beautiful bluish color. However, there are some with a fire color, and some with a blue and a reddish color. It is prized by tea masters for its beautiful coloring and small number. It is usually thought to be Korean, but some people believe that it is Indian celadon or a rough piece of celadon from southern China, but this is not true.
The clay contains a large amount of iron, the glaze is slightly darker in color, and there are generally no penetrations. The most common shape is a flat tea bowl, with a diameter of approximately 15 cm. The height of the bowl is thin and the inside has a helmet width. The highlight of Aoido is its open shape, kairagi, and potter’s wheel. Unoi, Hoshu-an, Kodama, and Ryang-ryo are well-known for this kind of specialty, as are Hachimonjiya, Takeya, Masuya, Shibata Yomogi-tsubo, Matsumoto, Sawagata, Shimoto, Yoshimura, Hisada, Fujiya, Akino, Kokin, Hayabusa, Yomogi, Hatsuka Naruto, and Kinpoh. (“Wakan-cha-shi”, “Pottery Kou”, “Koryo Chawan to Seto no Chajiryoku”, “Chado Meimono Kou”)
