Terracotta

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International Gothic bust of the Virgin Mary, Bohemia, c. 1390-95, terracotta with polychromy Bust of the Virgin.jpg
International Gothic bust of the Virgin Mary, Bohemia, c. 1390–95, terracotta with polychromy
Terracotta head from Akhnoor, Jammu, India Head dates back to 6th century AD. On display in Prince of Wales Museum Terracotta Head.JPG
Terracotta head from Akhnoor, Jammu, India Head dates back to 6th century AD. On display in Prince of Wales Museum
Sculpture of Lord Hanuman in unglazed terracotta Hanuman in Terra Cotta.jpg
Sculpture of Lord Hanuman in unglazed terracotta
Terracotta Army in Xi'an, China Terracotta army xian.jpg
Terracotta Army in Xi'an, China
Terracotta lamp Terra-cotta lamp.jpg
Terracotta lamp

Terracotta, terra cotta or terra-cotta (pronounced  [ˌtɛrraˈkɔtta] ; Italian: "baked earth", [2] from the Latin terra cocta), [3] a type of earthenware, is a clay-based unglazed or glazed ceramic, [4] where the fired body is porous. Terracotta is the term normally used for sculpture made in earthenware, and also for various practical uses including vessels (notably flower pots), water and waste water pipes, roofing tiles, bricks, and surface embellishment in building construction. [5] The term is also used to refer to the natural brownish orange color of most terracotta, which varies considerably.

Italian language Romance language

Italian is a Romance language of the Indo-European language family. Italian descended from the Vulgar Latin of the Roman Empire and, together with Sardinian, is by most measures the closest language to it of the Romance languages. Italian is an official language in Italy, Switzerland, San Marino and Vatican City. It has an official minority status in western Istria. It formerly had official status in Albania, Malta, Monaco, Montenegro (Kotor) and Greece, and is generally understood in Corsica and Savoie. It also used to be an official language in the former Italian East Africa and Italian North Africa, where it still plays a significant role in various sectors. Italian is also spoken by large expatriate communities in the Americas and Australia. Italian is included under the languages covered by the European Charter for Regional or Minority languages in Bosnia and Herzegovina and in Romania, although Italian is neither a co-official nor a regional or a traditional language in these countries, where Italians do not represent a historical minority. In the case of Romania, Italian is listed by the Government along 10 other languages which supposedly receive a "general protection", but not between those which should be granted an "advanced or enhanced" one. Many speakers of Italian are native bilinguals of both Italian and other regional languages.

Earthenware ceramic crockery and dishes

Earthenware is glazed or unglazed nonvitreous pottery that has normally been fired below 1200 °C. Porcelain, bone china, and stoneware, all fired at high enough temperatures to vitrify, are the main other important types of pottery.

Clay A finely-grained natural rock or soil material that combines one or more clay minerals

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter. Geologic clay deposits are mostly composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure. Clays are plastic due to particle size and geometry as well as water content, and become hard, brittle and non–plastic upon drying or firing. Depending on the soil's content in which it is found, clay can appear in various colours from white to dull grey or brown to deep orange-red.

Contents

This article covers the senses of terracotta as a medium in sculpture, as in the Terracotta Army and Greek terracotta figurines, and architectural decoration. Asian and European sculpture in porcelain is not covered. Glazed architectural terracotta and its unglazed version as exterior surfaces for buildings were used in Asia for some centuries before becoming popular in the West in the 19th century. Architectural terracotta can also refer to decorated ceramic elements such as antefixes and revetments, which made a large contribution to the appearance of temples and other buildings in the classical architecture of Europe, as well as in the Ancient Near East.

Terracotta Army collection of ancient Chinese military statues

The Terracotta Army is a collection of terracotta sculptures depicting the armies of Qin Shi Huang, the first Emperor of China. It is a form of funerary art buried with the emperor in 210–209 BCE with the purpose of protecting the emperor in his afterlife.

Greek terracotta figurines

Terracotta figurines are a mode of artistic and religious expression frequently found in ancient Greece. These figurines abound and provide an invaluable testimony to the everyday life and religion of the ancient Greeks. The so-called Tanagra figurines, in fact made elsewhere as well, are one of the most important types.

Porcelain ceramic material

Porcelain is a ceramic material made by heating materials, generally including kaolin, in a kiln to temperatures between 1,200 and 1,400 °C. The toughness, strength, and translucence of porcelain, relative to other types of pottery, arises mainly from vitrification and the formation of the mineral mullite within the body at these high temperatures. Though definitions vary, porcelain can be divided into three main categories: hard-paste, soft-paste and bone china. The category that an object belongs to depends on the composition of the paste used to make the body of the porcelain object and the firing conditions.

In archaeology and art history, "terracotta" is often used to describe objects such as figurines not made on a potter's wheel. Vessels and other objects that are or might be made on a wheel from the same material are called earthenware pottery; the choice of term depends on the type of object rather than the material or firing technique. [6] Unglazed pieces, and those made for building construction and industry, are also more likely to be referred to as terracotta, whereas tableware and other vessels are called earthenware (though sometimes terracotta if unglazed), or by a more precise term such as faience.

Archaeology, or archeology, is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities. In North America archaeology is a sub-field of anthropology, while in Europe it is often viewed as either a discipline in its own right or a sub-field of other disciplines.

Art history the academic study of objects of art in their historical development

Art history is the study of objects of art in their historical development and stylistic contexts; that is genre, design, format, and style. The study includes painting, sculpture, architecture, ceramics, furniture, and other decorative objects.

Potters wheel device with a rotating flat disc or turntable on which clay may be shaped to create symmetrical forms

In pottery, a potter's wheel is a machine used in the shaping of round ceramic ware. The wheel may also be used during the process of trimming the excess body from dried ware, and for applying incised decoration or rings of colour. Use of the potter's wheel became widespread throughout the Old World but was unknown in the Pre-Columbian New World, where pottery was handmade by methods that included coiling and beating.

Production and properties

An appropriate refined clay is formed to the desired shape. After drying it is placed in a kiln or atop combustible material in a pit, and then fired. The typical firing temperature is around 1,000 °C (1,830 °F), though it may be as low as 600 °C (1,112 °F) in historic and archaeological examples. [7] The iron content, reacting with oxygen during firing, gives the fired body a reddish color, though the overall color varies widely across shades of yellow, orange, buff, red, "terracotta", pink, grey or brown. [8] In some contexts, such as Roman figurines, white-colored terracotta is known as pipeclay, as such clays were later preferred for tobacco pipes, normally made of clay until the 19th century.[ citation needed ]

Kiln oven that generates high temperatures

A kiln is a thermally insulated chamber, a type of oven, that produces temperatures sufficient to complete some process, such as hardening, drying, or chemical changes. Kilns have been used for millennia to turn objects made from clay into pottery, tiles and bricks. Various industries use rotary kilns for pyroprocessing—to calcinate ores, to calcinate limestone to lime for cement, and to transform many other materials.

Oxygen Chemical element with atomic number 8

Oxygen is the chemical element with the symbol O and atomic number 8, meaning its nucleus has 8 protons. The number of neutrons varies according to the isotope: the stable isotopes have 8, 9, or 10 neutrons. Oxygen is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and odorless diatomic gas with the formula O
2
. Diatomic oxygen gas constitutes 20.8% of the Earth's atmosphere. As compounds including oxides, the element makes up almost half of the Earth's crust.

Tobacco pipe tool specifically made to smoke tobacco or other products

A tobacco pipe, often called simply a pipe, is a device specifically made to smoke tobacco. It comprises a chamber for the tobacco from which a thin hollow stem (shank) emerges, ending in a mouthpiece. Pipes can range from very simple machine-made briar models to highly prized hand-made artisanal implements made by renowned pipemakers, which are often very expensive collector's items. Pipe smoking is the oldest known traditional form of tobacco smoking.

Fired terracotta is not watertight, but surface-burnishing the body before firing can decrease its porousness and a layer of glaze can make it watertight. It is suitable for use below ground to carry pressurized water (an archaic use), for garden pots or building decoration in many environments, and for oil containers, oil lamps, or ovens. Most other uses, such as for tableware, sanitary piping, or building decoration in freezing environments, require the material to be glazed. Terracotta, if uncracked, will ring if lightly struck.

Painted ("polychrome") terracotta is typically first covered with a thin coat of gesso, then painted. It has been very widely used but the paint is only suitable for indoor positions and is much less durable than fired colors in or under a ceramic glaze. Terracotta sculpture was very rarely left in its "raw" fired state in the West until the 18th century. [9]

Gesso paint mixture

Gesso is a white paint mixture consisting of a binder mixed with chalk, gypsum, pigment, or any combination of these. It is used in artwork as a preparation for any number of substrates such as wood panels, canvas and sculpture as a base for paint and other materials that are applied over it.

In art history

Terracotta female figurines were uncovered by archaeologists in excavations of Mohenjo-daro, Pakistan (3000–1500 BC). Along with phallus-shaped stones, these suggest some sort of fertility cult. [10] The Burney Relief is an outstanding terracotta plaque from Ancient Mesopotamia of about 1950 BC. In Mesoamerica, the great majority of Olmec figurines were in terracotta. Many ushabti mortuary statuettes were also made of terracotta in Ancient Egypt.

Mohenjo-daro archaeological site in the province of Sindh, Pakistan

Mohenjo-daro is an archaeological site in the province of Sindh, Pakistan. Built around 2500 BCE, it was one of the largest settlements of the ancient Indus Valley Civilisation, and one of the world's earliest major cities, contemporaneous with the civilizations of ancient Egypt, Mesopotamia, Minoan Crete, and Norte Chico. Mohenjo-daro was abandoned in the 19th century BCE as the Indus Valley Civilization declined, and the site was not rediscovered until the 1920s. Significant excavation has since been conducted at the site of the city, which was designated a UNESCO World Heritage Site in 1980. The site is currently threatened by erosion and improper restoration.

Pakistan federal parliamentary constitutional republic in South Asia

Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the world’s sixth-most populous country with a population exceeding 212,742,631 people. In area, it is the 33rd-largest country, spanning 881,913 square kilometres. Pakistan has a 1,046-kilometre (650-mile) coastline along the Arabian Sea and Gulf of Oman in the south and is bordered by India to the east, Afghanistan to the west, Iran to the southwest, and China in the northeast. It is separated narrowly from Tajikistan by Afghanistan's Wakhan Corridor in the northwest, and also shares a maritime border with Oman.

Burney Relief historical artifact

The Burney Relief is a Mesopotamian terracotta plaque in high relief of the Isin-Larsa or Old-Babylonian period, depicting a winged, nude, goddess-like figure with bird's talons, flanked by owls, and perched upon two lions.

The Ancient Greeks' Tanagra figurines were mass-produced mold-cast and fired terracotta figurines, that seem to have been widely affordable in the Hellenistic period, and often purely decorative in function. They were part of a wide range of Greek terracotta figurines, which included larger and higher-quality works such as the Aphrodite Heyl; the Romans too made great numbers of small figurines, often religious. Etruscan art often used terracotta in preference to stone even for larger statues, such as the near life-size Apollo of Veii and the Sarcophagus of the Spouses . Campana reliefs are Ancient Roman terracotta reliefs, originally mostly used to make friezes for the outside of buildings, as a cheaper substitute for stone.

Indian sculpture made heavy use of terracotta from as early as the Indus Valley Civilization (with stone and metal sculpture being rather rare), and in more sophisticated areas had largely abandoned modeling for using molds by the 1st century BC. This allows relatively large figures, nearly up to life-size, to be made, especially in the Gupta period and the centuries immediately following it. Several vigorous local popular traditions of terracotta folk sculpture remain active today, such as the Bankura horses. [11]

Precolonial West African sculpture also made extensive use of terracotta. [12] The regions most recognized for producing terracotta art in that part of the world include the Nok culture of central and north-central Nigeria, the Ife/Benin cultural axis in western and southern Nigeria (also noted for its exceptionally naturalistic sculpture), and the Igbo culture area of eastern Nigeria, which excelled in terracotta pottery. These related, but separate, traditions also gave birth to elaborate schools of bronze and brass sculpture in the area. [13]

Chinese sculpture made great use of terracotta, with and without glazing and colour, from a very early date. The famous Terracotta Army of Emperor Qin Shi Huang, 209–210 BC, was somewhat untypical, and two thousand years ago reliefs were more common, in tombs and elsewhere. Later Buddhist figures were often made in painted and glazed terracotta, with the Yixian glazed pottery luohans, probably of 1150–1250, now in various Western museums, among the finest examples. [14] Brick-built tombs from the Han dynasty were often finished on the interior wall with bricks decorated on one face; the techniques included molded reliefs. Later tombs contained many figures of protective spirits and animals and servants for the afterlife, including the famous horses of the T'ang dynasty; as an arbitrary matter of terminology these tend not to be referred to as terracottas. [15]

European medieval art made little use of terracotta sculpture, until the late 14th century, when it became used in advanced International Gothic workshops in parts of Germany. [16] The Virgin illustrated at the start of the article from Bohemia is the unique example known from there. [17] A few decades later there was a revival in the Italian Renaissance, inspired by excavated classical terracottas as well as the German examples, which gradually spread to the rest of Europe. In Florence Luca della Robbia (1399/1400–1482) was a sculptor who founded a family dynasty specializing in glazed and painted terracotta, especially large roundels which were used to decorate the exterior of churches and other buildings. These used the same techniques as contemporary maiolica and other tin-glazed pottery. Other sculptors included Pietro Torrigiano (1472–1528), who produced statues, and in England busts of the Tudor royal family. The unglazed busts of the Roman Emperors adorning Hampton Court Palace, by Giovanni da Maiano, 1521, were another example of Italian work in England. [18] They were originally painted but this has now been lost from weathering.

Clodion, The River Rhine Separating the Waters, 1765, 27.9x45.7x30.5 cm (11x18x12 in) Clodion River Rhine Kimbell.jpg
Clodion, The River Rhine Separating the Waters, 1765, 27.9×45.7×30.5 cm (11×18×12 in)

In the 18th-century unglazed terracotta, which had long been used for preliminary clay models or maquettes that were then fired, became fashionable as a material for small sculptures including portrait busts. It was much easier to work than carved materials, and allowed a more spontaneous approach by the artist. [19] Claude Michel (1738–1814), known as Clodion, was an influential pioneer in France. [20] John Michael Rysbrack (1694–1770), a Flemish portrait sculptor working in England, sold his terracotta modelli for larger works in stone, and produced busts only in terracotta. [21] In the next century the French sculptor Albert-Ernest Carrier-Belleuse made many terracotta pieces, [22] but possibly the most famous is The Abduction of Hippodameia depicting the Greek mythological scene of a centaur kidnapping Hippodameia on her wedding day.

Architecture

Imperial roof decoration in the Forbidden City Tai He Dian De Ji Shou .JPG
Imperial roof decoration in the Forbidden City

Terracotta tiles have a long history in many parts of the world, covered in that article. Many ancient and traditional roofing styles included more elaborate sculptural elements than the plain roof tiles, such as Chinese Imperial roof decoration and the antefix of western classical architecture. In India West Bengal made a speciality of terracotta temples, with the sculpted decoration from the same material as the main brick construction.

In the 19th century the possibilities of terracotta decoration of buildings were again appreciated by architects, often using thicker pieces of terracotta, and surfaces that are not flat. [23] The American architect Louis Sullivan is well known for his elaborate glazed terracotta ornamentation, designs that would have been impossible to execute in any other medium. Terracotta and tile were used extensively in the town buildings of Victorian Birmingham, England. By about 1930 the widespread use of concrete and Modernist architecture largely ended the use of terracotta in architecture. [24]

Advantages in sculpture

As compared to bronze sculpture, terracotta uses a far simpler and quicker process for creating the finished work with much lower material costs. The easier task of modelling, typically with a limited range of knives and wooden shaping tools, but mainly using the fingers, [25] allows the artist to take a more free and flexible approach. Small details that might be impractical to carve in stone, of hair or costume for example, can easily be accomplished in terracotta, and drapery can sometimes be made up of thin sheets of clay that make it much easier to achieve a realistic effect. [26]

Reusable mold-making techniques may be used for production of many identical pieces. Compared to marble sculpture and other stonework the finished product is far lighter and may be further painted and glazed to produce objects with color or durable simulations of metal patina. Robust durable works for outdoor use require greater thickness and so will be heavier, with more care needed in the drying of the unfinished piece to prevent cracking as the material shrinks. Structural considerations are similar to those required for stone sculpture; there is a limit on the stress that can be imposed on terracotta, and terracotta statues of unsupported standing figures are limited to well under life-size unless extra structural support is added. This is also because large figures are extremely difficult to fire, and surviving examples often show sagging or cracks. [27] The Yixian figures were fired in several pieces, and have iron rods inside to hold the structure together. [28]

See also

Notes

  1. Bust of the Virgin, ca. 1390–95, In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000–. (October 2008)
  2. Merriam-Webster.com
  3. "Terracotta", p. 341, Delahunty, Andrew, From Bonbon to Cha-cha: Oxford Dictionary of Foreign Words and Phrases, 2008, OUP Oxford, ISBN   0199543690, 9780199543694
  4. OED, "Terracotta"; "Terracotta", MFA Boston, "Cameo" database
  5. 'Industrial Ceramics.' F.Singer, S.S.Singer. Chapman & Hall. 1971. Quote: "The lighter pieces that are glazed may also be termed 'terracotta.'
  6. Peek, Philip M., and Yankah, African Folklore: An Encyclopedia, 2004, Routledge, ISBN   1135948720, 9781135948726, google books
  7. Grove, 1
  8. Grove, 1
  9. Grove, 2, i, a
  10. Jacob Neusner, ed. World Religions in America. Louisville: Westminster John Knox Press, 2003.
  11. Grove, 5
  12. H. Meyerowitz; V. Meyerowitz (1939). "Bronzes and Terra-Cottas from Ile-Ife". The Burlington Magazine for Connoisseurs 75 (439), 150–152; 154–155.
  13. Grove, 3
  14. Rawson, 140-145, ; Grove, 4
  15. Rawson, 140-145,159-161
  16. Schultz, 67-68
  17. Bust of the Virgin, ca. 1390–95, In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000–. (October 2008)
  18. Grove, "Florence"
  19. Draper and Scherf, 2-7 and throughout; Grove, 2, i, a and c
  20. Well covered in Draper and Scherf, see index; Grove, 2, i, a and c
  21. Grove, 2, i, c
  22. Grove, 2, i, d
  23. Grove, 2, ii
  24. Grove, 2, ii, c and d
  25. Grove, 2, i, a; Scultz, 167
  26. Scultz, 67, 167
  27. Scultz, 167; Hobson, R.L. “A New Chinese Masterpiece in the British Museum.” The Burlington Magazine for Connoisseurs, Vol. 25, No. 134 (May, 1914), p. 70, JSTOR
  28. Lecture by Derek Gillman at the Penn Museum, on their example and the group of Yixian figures. From YouTube

Related Research Articles

Pottery Craft of making objects from clay

Pottery is the process of forming vessels and other objects with clay and other ceramic materials, which are fired at high temperatures to give them a hard, durable form. Major types include earthenware, stoneware and porcelain. The place where such wares are made by a potter is also called a pottery. The definition of pottery used by the American Society for Testing and Materials (ASTM), is "all fired ceramic wares that contain clay when formed, except technical, structural, and refractory products." In archaeology, especially of ancient and prehistoric periods, "pottery" often means vessels only, and figures etc. of the same material are called "terracottas". Clay as a part of the materials used is required by some definitions of pottery, but this is dubious.

Delftware type of glazed pottery

Delftware or Delft pottery, also known as Delft Blue, 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 that it influenced made in England, but this should be called English delftware to avoid confusion.

Figurine Small item resembling something, usually a person

A figurine or statuette is a small statue that represents a human, deity or animal, or in practice a pair or small group of them. Figurines have been made in many media, with clay, metal, wood, glass, and today plastic or resin the most significant. Ceramic figurines not made of porcelain are called terracottas in historical contexts.

Tile Manufactured piece of hard-wearing material

A tile is a thin object usually square or rectangular in shape. Tile is a manufactured piece of hard-wearing material such as ceramic, stone, metal, baked clay, or even glass, generally used for covering roofs, floors, walls, or other objects such as tabletops. Alternatively, tile can sometimes refer to similar units made from lightweight materials such as perlite, wood, and mineral wool, typically used for wall and ceiling applications. In another sense, a tile is a construction tile or similar object, such as rectangular counters used in playing games. The word is derived from the French word tuile, which is, in turn, from the Latin word tegula, meaning a roof tile composed of fired clay.

Faience tin-glazed pottery

Faience or faïence is the conventional name in English for fine tin-glazed pottery on a buff earthenware body, at least when there is no more usual English name for the type concerned. The invention of a white pottery glaze suitable for painted decoration, by the addition of an oxide of tin to the slip of a lead glaze, was a major advance in the history of pottery. The invention seems to have been made in Iran or the Middle East before the ninth century. A kiln capable of producing temperatures exceeding 1,000 °C (1,830 °F) was required to achieve this result, the result of millennia of refined pottery-making traditions. The term is now used for a wide variety of pottery from several parts of the world, including many types of European painted wares, often produced as cheaper versions of porcelain styles.

Stoneware vitreous or semi-vitreous ceramic made primarily from stoneware clay or non-refractory fire clay

Stoneware is a rather broad term for pottery or other ceramics fired at a relatively high temperature. A modern technical definition is a vitreous or semi-vitreous ceramic made primarily from stoneware clay or non-refractory fire clay. Whether vitrified or not, it is nonporous ; it may or may not be glazed. Historically, across the world, it has been developed after earthenware and before porcelain, and has often been used for high-quality as well as utilitarian wares.

Biscuit porcelain unglazed, white ceramic ware

Biscuit porcelain, bisque porcelain or bisque is unglazed, white porcelain treated as a final product, with a matte appearance and texture to the touch. It has been widely used in European pottery, mainly for sculptural and decorative objects that are not tableware and so do not need a glaze for protection.

Chinese ceramics

Chinese ceramics show a continuous development since pre-dynastic times and are one of the most significant forms of Chinese art and ceramics globally. The first pottery was made during the Palaeolithic era. Chinese ceramics range from construction materials such as bricks and tiles, to hand-built pottery vessels fired in bonfires or kilns, to the sophisticated Chinese porcelain wares made for the imperial court and for export. Porcelain was a Chinese invention and is so identified with China that it is still called "china" in everyday English usage.

Mintons historical English ceramics company

Mintons was a major company in Staffordshire pottery, "Europe's leading ceramic factory during the Victorian era", an independent business from 1793 to 1968. It was a leader in ceramic design, working in a number of different ceramic bodies, decorative techniques, and "a glorious pot-pourri of styles - Rococo shapes with Oriental motifs, Classical shapes with Medieval designs and Art Nouveau borders were among the many wonderful concoctions". As well as pottery vessels and sculptures, the firm was a leading manufacturer of tiles and other architectural ceramics, producing work for both the Houses of Parliament and United States Capitol.

Architectural terracotta Fired clay construction material

Architectural terracotta refers to a fired mixture of clay and water that can be used in a non-structural, semi-structural, or structural capacity on the exterior or interior of a building. Terracotta is an ancient building material that translates from Latin as "baked earth". It can be unglazed, painted, slip glazed, or glazed. A piece of terracotta is composed of a hollow clay web enclosing a void space or cell. The cell can be installed in compression with mortar or hung with metal anchors. All cells are partially backfilled with mortar.

Burmantofts Pottery

Burmantofts Pottery was the common trading name of a manufacturer of ceramic pipes and construction materials, named after the Burmantofts district of Leeds, England.

Ceramic glaze layer or coating of vitreous substance fused to a ceramic object

Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a ceramic body through firing. Glaze can serve to color, decorate or waterproof an item. Glazing renders earthenware vessels suitable for holding liquids, sealing the inherent porosity of unglazed biscuit earthenware. It also gives a tougher surface. Glaze is also used on stoneware and porcelain. In addition to their functionality, glazes can form a variety of surface finishes, including degrees of glossy or matte finish and color. Glazes may also enhance the underlying design or texture either unmodified or inscribed, carved or painted.

<i>Sancai</i> China, Tang Dynasty, Three coloured ceramic style

Sancai is a versatile type of decoration on Chinese pottery using glazes or slip, predominantly in the three colours of brown, green, and a creamy off-white. It is particularly associated with the Tang Dynasty (618–907) and its tomb figures, appearing around 700. Therefore, it is commonly referred to as Chinese: 唐三彩 Tang Sancai in Chinese. Tang sancai wares were sometimes referred in China and the West as egg-and-spinach by dealers, for their use of green, yellow, and white, especially when combined with a streaked effect.

Haji pottery

Haji pottery is a type of plain, unglazed, reddish-brown Japanese pottery or earthenware that was produced during the Kofun, Nara, and Heian periods of Japanese history. It was used for both ritual and utilitarian purposes, and many examples have been found in Japanese tombs, where they form part of the basis of dating archaeological sites.

Ancient Roman pottery

Pottery was produced in enormous quantities in ancient Rome, mostly for utilitarian purposes. It is found all over the former Roman Empire and beyond. Monte Testaccio is a huge waste mound in Rome made almost entirely of broken amphorae used for transporting and storing liquids and other products – in this case probably mostly Spanish olive oil, which was landed nearby, and was the main fuel for lighting, as well as its use in the kitchen and washing in the baths.

Majapahit Terracotta

Majapahit Terracotta is the terracotta art and craft dated from Majapahit era circa 13th to 15th century. Significant terracotta earthenware artifacts from this period were discovered in Trowulan, East Java.

Redware

Redware as a single word is a term for at least two types of pottery of the last few centuries, in Europe and North America. Red ware as two words is a term used for pottery, mostly by archaeologists, found in a very wide range of places. However, these distinct usages are not always adhered to, especially when referring to the many different types of pre-colonial red wares in the Americas, which may be called "redware".

Yixian glazed pottery luohans

A set of life-size glazed pottery sculptures of luohans usually assigned to the period of the Liao dynasty (907–1125) was discovered in caves at I Chou in Yi xian or Yi County, Hebei, south of Beijing, before World War I. They have been described as "one of the most important groups of ceramic sculpture in the world." They reached the international art market, and were bought for Western collections. At least eight statues were originally found, including one large fragment which was long thought to have been destroyed in Berlin during World War II, but has been sighted in Russia recently.

Ceramic art art objects such as figures, tiles, and tableware made from clay and other raw materials by the process of pottery

Ceramic art is art made from ceramic materials, including clay. It may take forms including artistic pottery, including tableware, tiles, figurines and other sculpture. Ceramic art is one of the arts, particularly the visual arts. Of these, it is one of the plastic arts. While some ceramics are considered fine art, as pottery or sculpture, some are considered to be decorative, industrial or applied art objects. Ceramics may also be considered artefacts in archaeology. Ceramic art can be made by one person or by a group of people. In a pottery or ceramic factory, a group of people design, manufacture and decorate the art ware. Products from a pottery are sometimes referred to as "art pottery". In a one-person pottery studio, ceramists or potters produce studio pottery.

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