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Hedwig Glass
Hedwig glasses or Hedwig beakers are a type of glass beaker originating in the Middle East or Norman Sicily and dating from the 10th-12th centuries AD. They are named after the Silesian princess Saint Hedwig (1174–1245), to whom three of them are traditionally said to have belonged.Ettinghausen and Grabar 196-7 So far, a total of 14 complete glasses are known.Wedepohl and Kronz The exact origin of the glasses is disputed, with Egypt, Iran and Syria all suggested as possible sources; if they are not of Islamic manufacture they are certainly influenced by Islamic glass. Probably made by Muslim craftsmen, some of the iconography is Christian, suggesting they may have been made for export or for Christian clients. The theory that they instead originate from Norman Sicily in the 11th century was first fully set out in a book in 2005 by Rosemarie Lierke, and has attracted some support from specialists. All 14 of the complete Hedwig glasses so far known all have roughly the same fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hardstone Carving
Hardstone carving is a general term in art history and archaeology for the artistic carving of predominantly semi-precious stones (but also of gemstones), such as jade, rock crystal (clear quartz), agate, onyx, jasper, serpentinite, or carnelian, and for an object made in this way. Normally the objects are small, and the category overlaps with both jewellery and sculpture. Hardstone carving is sometimes referred to by the Italian term ''pietre dure''; however, ''pietra dura'' (with an "a") is the common term used for stone inlay work, which causes some confusion. From the Neolithic period until about the 19th century such objects were among the most highly prized in a wide variety of cultures, often attributed special powers or religious significance, but today coverage in non-specialist art history tends to be relegated to a catch-all decorative arts or "minor arts" category. The types of objects carved have included those with ritual or religious purposes, engraved gems as signet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Museum
The British Museum is a public museum dedicated to human history, art and culture located in the Bloomsbury area of London. Its permanent collection of eight million works is among the largest and most comprehensive in existence. It documents the story of human culture from its beginnings to the present.Among the national museums in London, sculpture and decorative and applied art are in the Victoria and Albert Museum; the British Museum houses earlier art, non-Western art, prints and drawings. The National Gallery holds the national collection of Western European art to about 1900, while art of the 20th century on is at Tate Modern. Tate Britain holds British Art from 1500 onwards. Books, manuscripts and many works on paper are in the British Library. There are significant overlaps between the coverage of the various collections. The British Museum was the first public national museum to cover all fields of knowledge. The museum was established in 1753, largely b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The islands are in the shallow Venetian Lagoon, an enclosed bay lying between the mouths of the Po River, Po and the Piave River, Piave rivers (more exactly between the Brenta (river), Brenta and the Sile (river), Sile). In 2020, around 258,685 people resided in greater Venice or the ''Comune di Venezia'', of whom around 55,000 live in the historical island city of Venice (''centro storico'') and the rest on the mainland (''terraferma''). Together with the cities of Padua, Italy, Padua and Treviso, Italy, Treviso, Venice is included in the Padua-Treviso-Venice Metropolitan Area (PATREVE), which is considered a statistical metropolitan area, with a total population of 2.6 million. The name is derived from the ancient Adri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
St Mark's Basilica
The Patriarchal Cathedral Basilica of Saint Mark ( it, Basilica Cattedrale Patriarcale di San Marco), commonly known as St Mark's Basilica ( it, Basilica di San Marco; vec, Baxéłega de San Marco), is the cathedral church of the Catholic Church, Catholic Patriarchate of Venice; it became the episcopal seat of the Patriarch of Venice in 1807, replacing the earlier cathedral of San Pietro di Castello (church), San Pietro di Castello. It is dedicated to and holds the Relic#Christianity, relics of Mark the Evangelist, Saint Mark the Evangelist, the patron saint of the city. The church is located on the eastern end of Piazza San Marco, Saint Mark's Square, the former political and religious centre of the Republic of Venice, and is attached to the Doge's Palace. Prior to the Fall of the Republic of Venice, fall of the republic in 1797, it was the chapel of the Doge of Venice, Doge and was subject to his jurisdiction, with the concurrence of the procurators of Saint Mark ''de supra' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fatimid Caliphate
The Fatimid Caliphate was an Isma'ilism, Ismaili Shia Islam, Shi'a caliphate extant from the tenth to the twelfth centuries AD. Spanning a large area of North Africa, it ranged from the Atlantic Ocean in the west to the Red Sea in the east. The Fatimid dynasty, Fatimids, a dynasty of Arab origin, trace their ancestry to Muhammad's daughter Fatimah, Fatima and her husband Ali, ‘Ali b. Abi Talib, the first Imamate in Shia doctrine, Shi‘a imam. The Fatimids were acknowledged as the rightful imams by different Isma'ilism, Isma‘ili communities, but also in many other Muslim lands, including Persia and the adjacent regions. Originating during the Abbasid Caliphate, the Fatimids conquered Tunisia and established the city of "Mahdia, al-Mahdiyya" ( ar, المهدية). The Ismaili dynasty ruled territories across the Mediterranean coast of Africa and ultimately made Egypt the center of the caliphate. At its height, the caliphate included – in addition to Egypt – varying ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rock Crystal
Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral. The transformation from α-quartz to β-quartz takes place abruptly at . Since the transformation is accompanied by a significant change in volume, it can easily induce microfracturing of ceramics or rocks passing through this temperature threshold. There are many different varieties of quartz, several of which are classified as gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings, especially in Eurasia. Quartz is the mineral defining the valu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Relief
Relief is a sculptural method in which the sculpted pieces are bonded to a solid background of the same material. The term ''relief'' is from the Latin verb ''relevo'', to raise. To create a sculpture in relief is to give the impression that the sculpted material has been raised above the background plane. When a relief is carved into a flat surface of stone (relief sculpture) or wood (relief carving), the field is actually lowered, leaving the unsculpted areas seeming higher. The approach requires a lot of chiselling away of the background, which takes a long time. On the other hand, a relief saves forming the rear of a subject, and is less fragile and more securely fixed than a sculpture in the round, especially one of a standing figure where the ankles are a potential weak point, particularly in stone. In other materials such as metal, clay, plaster stucco, ceramics or papier-mâché the form can be simply added to or raised up from the background. Monumental bronze reliefs a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Palmette
The palmette is a motif in decorative art which, in its most characteristic expression, resembles the fan-shaped leaves of a palm tree. It has a far-reaching history, originating in ancient Egypt with a subsequent development through the art of most of Eurasia, often in forms that bear relatively little resemblance to the original. In ancient Greek and Roman uses it is also known as the anthemion (from the Greek ανθέμιον, a flower). It is found in most artistic media, but especially as an architectural ornament, whether carved or painted, and painted on ceramics. It is very often a component of the design of a frieze or border. The complex evolution of the palmette was first traced by Alois Riegl in his ''Stilfragen'' of 1893. The half-palmette, bisected vertically, is also a very common motif, found in many mutated and vestigial forms, and especially important in the development of plant-based scroll ornament. Description The essence of the palmette is a symmetrical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soda–lime Glass
Soda–lime glass, also called soda–lime–silica glass, is the most prevalent type of glass, used for windowpanes and glass containers (bottles and jars) for beverages, food, and some commodity items. Some glass bakeware is made of soda-lime glass, as opposed to the more common borosilicate glass. Soda–lime glass accounts for about 90% of manufactured glass. Production The manufacturing process for soda–lime glass consists in melting the raw materials, which are the silica, soda, lime (in the form of (Ca(OH)2), dolomite (CaMg(CO3)2, which provides the magnesium oxide), and aluminium oxide; along with small quantities of fining agents (e.g., sodium sulfate (Na2SO4), sodium chloride (NaCl), etc.) in a glass furnace at temperatures locally up to 1675 °C.B. H. W. S. de Jong, "Glass"; in "Ullmann's Encyclopedia of Industrial Chemistry"; 5th edition, vol. A12, VCH Publishers, Weinheim, Germany, 1989, , pp. 365–432. The temperature is only limited by the quality of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fatimid Art
Fatimid art refers to artifacts and architecture from the Fatimid Caliphate (909-1171), an empire based in Egypt and North Africa. The Fatimid Caliphate was initially established in the Maghreb, with its roots in a ninth-century Shia Ismailist Many monuments survive in the Fatimid cities founded in North Africa, starting with Mahdia, on the Tunisian coast, the principal city prior to the conquest of Egypt in 969 and the building of ''al-Qahira'', the "City Victorious", now part of modern-day Cairo. The period was marked by a prosperity amongst the upper echelons, manifested in the creation of opulent and finely wrought objects in the decorative arts, including carved rock crystal, lustreware and other ceramics, wood and ivory carving, gold jewelry and other metalware, textiles, books and coinage. These items not only reflected personal wealth, but were used as gifts to curry favour abroad. The most precious and valuable objects were amassed in the caliphal palaces in al-Qahi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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