How to Recognize Chawan Styles on a Bowl
Four traditions offer clues for reading a matcha bowl, along with the limits of attributing one by color alone.
By Roseline Zhou, Founder
Contents
While looking for a chawan, the bowl in which matcha is prepared and drunk, you spot a Raku piece and then one labeled Hagi. What do those words actually tell you? Raku, Hagi, Karatsu and Shino name four Japanese ceramic traditions. They draw your eye to clay, glaze or decoration without dictating a bowl's shape.
We sell ceramics too, and first look at the material, rim and feel in the hand. A style name may spark curiosity; it won't tell you whether the whisk's tines can move freely inside the bowl. If that's your first concern, choose a chawan for your preparation by its interior space.
Raku, Hagi, Karatsu, Shino: what should you look for in a chawan?
Each tradition has a history, and each piece deserves to be seen on its own terms. These clues help you ask useful questions. None lets you attribute a bowl to a tradition from a single photograph.
| Tradition | Feature to examine | Limit of the clue | Place and period |
|---|---|---|---|
| Raku | Hand-shaped form and glaze. | Color alone doesn't prove a Raku attribution. | Kyoto, late 16th century, with Chōjirō's first bowls for Sen no Rikyū |
| Hagi | Clay visible beneath a sometimes crackled glaze. | Not every Hagi bowl has the same surface. | Hagi, in today's Yamaguchi Prefecture, from 1604, with potters from the Korean peninsula |
| Karatsu | The relationship between clay, glaze and any painted pattern. | A drawing alone can't identify a workshop. | The Karatsu area, in northern Kyushu, 1590s, with potters from Korea |
| Shino | A milky white glaze, sometimes with decoration. | White alone doesn't confirm a Shino piece. | The Mino kilns, in today's Gifu Prefecture, late 16th century |
With a Raku bowl, the hand matters as much as the eye
Raku is connected with the tea practice of Sen no Rikyū. The first bowls were shaped by hand rather than on a wheel. In the history of the Raku family, Chōjirō, who died in 1589, shapes the first red and black bowls following Rikyū. To us, how a bowl feels in the hand matters as much as its appearance.
Look at the rim where you'll bring the bowl to your lips, then how it rests on the table. We'd make that assessment before deciding from an image. If you simply want to pour matcha into other cups, another shape may serve you better.
Hagi and Karatsu: does the surface tell the whole story?
On this Hagi bowl at the Met, fine glaze reveals cracks. It's one particular piece, not a portrait of every Hagi bowl. A Karatsu piece may have a painted pattern beneath its glaze; others are plainer.
Hagi potters speak of the "seven changes" of their bowls. Fired slowly at a fairly low heat, the clay stays porous, and tea gradually seeps in through the crackle of the glaze, where there is one. The color then shifts over the years. This crackle forms during firing, because the clay and the glaze don't shrink at the same rate. A crack, by contrast, runs through the clay. This porosity calls for careful drying, or mold can appear. We'd follow the potter's instructions rather than a general rule.
If possible, place two real bowls side by side. Their clay, glaze and shape tell you more than reading two labels separately. We'd still keep the label from a documented workshop: it supplies information even a beautiful photograph can't.
Shino: milky white glaze is a clue, not proof
Shino is often associated with that milky white glaze, sometimes alongside painted motifs. Look across the entire surface before asking where the piece came from. Similar whiteness can result from another technique.
We like a visible detail that starts a conversation with the ceramic artist or seller. If you need to establish a bowl's attribution, ask for its documentation. Color alone can't answer that question.
After style, which chawan suits your matcha?
The history of a ceramic piece and its comfort in use are questions to consider together. Check the space for the whisk and how the rim feels. If a label mentions the name Omuro-yaki, it refers to an old Kyoto kiln, not one of the four traditions described here.
To serve several cups after whisking the tea in one bowl, we'd choose the Water Spirit chawan, a katakuchi bowl with a pouring spout. Its spout helps with transferring the tea, but adds little if you drink from the bowl itself.