Tin-glazing in the context of "Lunéville"

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⭐ Core Definition: Tin-glazing

Tin-glazing is the process of giving tin-glazed pottery items a ceramic glaze that is white, glossy and opaque, which is normally applied to red or buff earthenware. Tin-glaze is plain lead glaze with a small amount of tin oxide added. The opacity and whiteness of tin glaze encourage its frequent decoration. Historically this has mostly been done before the single firing, when the colours blend into the glaze, but since the 17th century also using overglaze enamels, with a light second firing, allowing a wider range of colours. Majolica, maiolica, delftware and faience are among the terms used for common types of tin-glazed pottery.

An alternative is lead-glazing, where the basic glaze is transparent; some types of pottery use both. However, when pieces are glazed only with lead, the glaze becomes fluid during firing, and may run or pool. Colours painted on the glaze may also run or blur. Tin-glazing avoids these problems.

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Tin-glazing in the context of Fritware

Fritware, also known as stone-paste, is a type of pottery in which ground glass (frit) is added to clay to reduce its fusion temperature. The mixture may include quartz or other siliceous material. An organic compound such as gum or glue may be added for binding. The resulting mixture can be fired at a lower temperature than clay alone. A glaze is then applied on the surface.

Fritware was invented to give a strong white body, which, combined with tin-glazing of the surface, allowed it to approximate the result of Chinese porcelain. Porcelain was not manufactured in the Islamic world until modern times, and most fine Islamic pottery was made of fritware. Frit was also a significant component in some early European porcelains.

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Tin-glazing in the context of Delftware

Delftware or Delft pottery, also known as Delft Blue (Dutch: Delfts blauw) or as delf, is a general term now used for Dutch tin-glazed earthenware, a form of faience. Most of it is blue and white pottery, and the city of Delft in the Netherlands was the major centre of production, but the term covers wares with other colours, and made elsewhere. It is also used for similar pottery, English delftware.

Delftware is one of the types of tin-glazed pottery in which a white glaze is applied and usually decorated with metal oxides. In particular, the cobalt oxide is used for its ability to withstand high firing temperatures, allowing it to be applied under this glaze. Cobalt Oxide is also what gives Delftware its trademark blue designs.

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Tin-glazing in the context of Tin-glazed pottery

Tin-glazed pottery is earthenware covered in lead glaze with added tin oxide which is white, shiny and opaque (see tin-glazing for the chemistry); usually this provides a background for brightly painted decoration. It has been important in Islamic and European pottery, but very little used in East Asia. The pottery body is usually made of red or buff-colored earthenware and the white glaze imitated Chinese porcelain. The decoration on tin-glazed pottery is usually applied to the unfired glaze surface by brush with metallic oxides, commonly cobalt oxide, copper oxide, iron oxide, manganese dioxide and antimony oxide. The makers of Italian tin-glazed pottery from the late Renaissance blended oxides to produce detailed and realistic polychrome paintings.

The earliest tin-glazed pottery appears to have been made in Iraq in the 9th century, the oldest fragments having been excavated during the First World War from the palace of Samarra about fifty miles north of Baghdad. From there it spread to Egypt, Persia and Spain before reaching Italy in mid-15th century, early Renaissance, Holland in the 16th century and England, France and other European countries shortly after.

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Tin-glazing in the context of Hispano-Moresque ware

Hispano-Moresque ware is a style of initially Islamic pottery created in Al-Andalus (Muslim Iberia), which continued to be produced under Christian rule in styles blending Islamic and European elements. It was the most elaborate and luxurious pottery being produced in Europe until the Italian maiolica industry developed sophisticated styles in the 15th century, and was exported over most of Europe. The industry's most successful period was the 14th and 15th centuries.

Around 711, the Moors conquered part of Spain. Over the following centuries, they introduced two ceramic techniques to Europe: glazing with an opaque white tin-glaze, and lustreware, which imitates metallic finishes with iridescent effects. Hispano-Moresque wares use both processes, applying the paint as an overglaze which is then fired again. Lustreware was a speciality of Islamic pottery, at least partly because the use of drinking and eating vessels in gold and silver, the ideal in ancient Rome and Persia as well as medieval Christian societies, is prohibited by the Hadiths, with the result that pottery and glass were used for tableware by Muslim elites, when Christian medieval elites still normally used metal for both dishes and cups.

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Tin-glazing in the context of Flower brick

A flower brick is a type of vase, cuboid-shaped like a building brick, and designed to be seen with the long face towards the viewer.

Traditional flower bricks are made of a ceramic material, usually delftware or other tin-glazed earthenware. The top surface has a large hole into which water is poured, and a number of smaller holes into which flower stems are inserted, so that the flowers are kept in position. These vessels are a sub-type of the boughpot or tulipiere, which have more rounded shapes. Flower bricks are thought to have been the most common vessel for flowers besides vases in the 18th century.

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Tin-glazing in the context of Majolica

In different periods of time and in different countries, the term majolica has been used for two distinct types of pottery.

Firstly, from the mid-15th century onwards, maiolica was a type of pottery reaching Italy from Spain, Majorca and beyond. This was made by a tin-glaze process (dip, dry, paint, fire), resulting in an opaque white glazed surface decorated with brush-painting in metal oxide enamel colour(s). During the 17th century, the English added the letter j to their alphabet. Maiolica thereafter was commonly anglicized to majolica.

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