Eastern Art Online, Yousef Jameel Centre for Islamic and Asian Art

Ashmolean − Eastern Art Online, Yousef Jameel Centre for Islamic and Asian Art

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Jar with blue glaze

  • loan

Glossary (2)

earthenware, glaze

  • earthenware

    Ceramic material made of clay which is fired to a temperature of c.1000-1200⁰c. The resulting ceramic is non-vitreous and varies in colour from dark red to yellow.

  • glaze

    Vitreous coating applied to the surface of a ceramic to make it impermeable or for decorative effect.


    • currently in research collection

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Publications online

  • The Barlow Collection by the University of Sussex

    The Barlow Collection

    This blue glaze, derived from imported cobalt, was the most prestigious and expensive glaze colour for burial wares in the Tang dynasty (AD 618–907). It was used for only a short time, mainly in the second half of the eighth century AD.

    The jar is well potted, with widely bulging, rounded sides, tapering and slightly flaring again towards the flat base, and the short wide neck curving outward. The beige-coloured pottery body is covered with a cobalt-blue glaze, applied in undulating layers which form an attractive pattern in different shades of blue, adhering in a very dark layer at the shoulder. The blue glaze also covers the neck inside but leaves the lowest part and base free, while the inside is glazed in a pale yellow. The rim shows three bar-shaped radiating spur marks, where a cover had been fired in place.

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