Jian bowls and the Song whisked-tea table
建盏与宋代点茶茶席
Traditional 建盞與宋代點茶茶席
A dark bowl makes pale tea foam easy to see. That contrast helps explain Jian bowls' place in Song tea culture; their streaks and spots lead us into kiln practice and modern scientific investigation.
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Song tea preparation and bowl preferences#
Song accounts of diancha describe preparing powdered tea in a warmed bowl and building foam with a whisk. Cai Xiang and the Daguan chalun provide evidence for preferences in tea contests and elite practice. Their praise of dark bowls should be read as a dated historical judgment, not as universal adoption. The Antiquities and Monuments Office explains the visual contrast through excavated black-glazed bowls in its Hong Kong exhibition. AMO
Look at the working surface. A Tang mortar catalogued for grinding tea has a rough, unglazed interior cut with intersecting grooves. Its shallow profile suggests a bowl at first glance. Compare that surface with the glazed interior of a later Jian drinking bowl.Cat. 15 · pp. 68–69
Key facts#
Begin with the contrast: dark glaze makes pale tea foam easier to see. Song texts explain a preference for particular bowls, not a requirement followed by every drinker. Glaze-pattern names describe appearance; chemistry and firing history require evidence from a particular object or analysed sample.
The Shuiji dragon kilns, shukou rims, and tribute marks#
The Shuiji kiln sites provide archaeological evidence for Jian production. A constricted rim, thick lower body and exposed foot are useful features to describe, but a rim groove’s function is not established by shape alone. Likewise, 供御 and 進琖 are inscriptions to document and compare: their presence on a particular object must be assessed alongside provenance and dating, not treated by itself as proof of imperial use.
Patterns and measured specimens#
Hare’s fur names streaks; oil spot names discrete spots. Partridge-spot terminology requires attention to the historical source and object rather than automatic equivalence with oil spot. Yōhen names an iridescent appearance in Japanese connoisseurship. Use these descriptions to begin looking, then consult object-specific analysis. A plain black surface does not by itself establish complete dissolution of iron or a particular cooling atmosphere.
Why 'Tenmoku' is a Japanese reception name, not a Chinese kiln#
Tenmoku is a Japanese term used in the reception and classification of tea bowls; it is not the name of a Chinese kiln. Its scope varies between historical collecting vocabulary and modern glaze terminology. Identify the particular object, catalogue usage and production attribution before treating tenmoku and Jian as interchangeable.
What analysis found in the glaze#
Dejoie and colleagues (2014) examined hare’s-fur and oil-spot samples using microscopy, X-ray diffraction and Raman spectroscopy. In the analysed surface patterns they distinguished hematite (α-Fe₂O₃) from ε-Fe₂O₃, a different iron-oxide phase. Epsilon iron oxide is not another name for hematite. Their results concern those samples; they do not establish one recipe, iron percentage or firing temperature for every Jian glaze, or a complete mechanism for yōhen iridescence. Dejoie et al. 2014
Sources#
Status and editorial notes sources cited
Sources are listed below. Their presence does not certify every claim; source-specific interpretations and unresolved questions are identified in the text. This page has not received independent expert approval.