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Porcelain; its composition and development Porcelain is a type of ceramic substance made
from kaolin (50%) feldspar (25%) and quartz (25%). Kaolin or white china
clay is in fact a decomposed form of felspar and is appreciated because
it remains white after firing. It can be fired at temperatures up to 1400°C
which produces thorough vitrification and gives porcelain wares their
characteristic translucid properties. Porcelain was almost certainly produced in China
as early as the Tang period (AD 618-907) but it was not successfully
copied in Europe until the early XVIIIth century at Meissen in Germany. During the XVIth and XVIIth centuries, Chinese
porcelain reached Europe via sea trade routes and from the Renaissance
on, European potters and chemists strove to imitate it, eventually producing
what is known as soft-paste porcelain. Remarkable examples of both soft- and hard-paste
porcelain ware can be seen at the Adrien Dubouché National Porcelain
Museum in Limoges together with illustrations of how ceramics have evolved
over the ages. |