Celadon

Celadon is a type of pottery that originated in China somewhere between the 10th and the 13th century. It’s characterised by a green-blue colour, reminiscent of the colour of jade.

Nowadays the word celadon is primarily used to denote the colour, but the true meaning is stoneware that was fired in reduction, with a ferrous glaze. Sometimes ‘impurities’ such as plant matter are added to the glaze.

The iron in the glaze reacts to the clay. By reducing the amount of oxygen in the kiln, this reaction is amplified. This is called reductive firing.

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