Difference between revisions of "Porcelain"
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== Description == | == Description == | ||
| − | A white, thin, translucent, [ | + | A white, thin, translucent, [[ceramic|ceramic]] fired at temperatures above 1260 C. Porcelain was first made in China as early as the T'ang dynasty (618-907 CE). It was eventually made in Europe in 1707 by Johann Bottger in Meissen, Germany. Porcelain is made from a fine-grain mixture of [[kaolin|kaolin]] clay, [[quartz|quartz]], and [[feldspar|feldspar]]. At the high temperature, feldspar vitrifies to form the hard, dense, ceramic. |
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Revision as of 10:29, 10 May 2016
Description
A white, thin, translucent, Ceramic fired at temperatures above 1260 C. Porcelain was first made in China as early as the T'ang dynasty (618-907 CE). It was eventually made in Europe in 1707 by Johann Bottger in Meissen, Germany. Porcelain is made from a fine-grain mixture of Kaolin clay, Quartz, and Feldspar. At the high temperature, feldspar vitrifies to form the hard, dense, ceramic.
Synonyms and Related Terms
Porzellan (Deut.); porcelana (Esp.); porcelaine (Fr.); porselein(Ned.); porcelana (Port.)
| Composition | 4K2O - Al2O3 - 3SiO2 |
|---|---|
| Mohs Hardness | 6 - 7 |
| Density | 2.41 |
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 428
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Porcelain (Accessed Nov. 2, 2005)
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: density=2.3-2.5