Stoneware

Stoneware is a broad term for pottery or other ceramics fired at a relatively high temperature.Clay vitrifying temperaturesArthur Dodd & David Murfin. Dictionary of Ceramics; 3rd edition. The Institute of Minerals, 1994. It may or may not be glazed.Encyclopædia Britannica Jasperware is unglazed stoneware It was developed after earthenware and before porcelain. Stoneware can be made from a much wider range of clays than porcelain.

Historically, reaching high temperatures was a big challenge. Lower temperatures were used for a long time. Earthenware can be fired as low as 600°C. This was done in primitive pit firing, but  to  was more typical.Medley, Margaret 1989. The Chinese potter: a practical history of Chinese ceramics. p13, 3rd edition. London: Phaidon.   

As a rough guide, modern earthenwares are normally fired in a kiln at temperatures in the range of about 1,000°C (1,830 °F) to ; stonewares at between about   to ; and porcelains at between about   to .

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Category:Pottery