John Henry Heuland
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John Henry Heuland
John Henry Heuland (March 21, 1778 Bayreuth – November 16, 1856 Hastings) was a German born (Johann Heinrich) English mineralogist and dealer. He was a Fellow of the Geological Society of London. His collection is held by the Natural History Museum, London. In 1804 he purchased mineral specimens in Lisbon. He subsequently travelled through France, Germany, Sweden, and Russia, collecting and buying minerals. About the year 1806 he acquired minerals collected in Europe between the years 1766 and 1806 by his uncle Adolarius Jacob Forster whose London dealership later became Heuland's. Armand Lévy categorised his mineral collection. The mineral Heulandite is named for him. He played a dubious role in the discovery of Palladium Palladium is a chemical element with the symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by the English chemist William Hyde Wollaston. He named it after the asteroid Pallas, which was itself na .... R ...
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Bayreuth
Bayreuth (, ; bar, Bareid) is a town in northern Bavaria, Germany, on the Red Main river in a valley between the Franconian Jura and the Fichtelgebirge Mountains. The town's roots date back to 1194. In the 21st century, it is the capital of Upper Franconia and has a population of 72,148 (2015). It hosts the annual Bayreuth Festival, at which performances of operas by the 19th-century German composer Richard Wagner are presented. History Middle Ages and Early Modern Period The town is believed to have been founded by the counts of Andechs probably around the mid-12th century,Mayer, Bernd and Rückel, Gert (2009). ''Bayreuth – Tours on Foot'', Heinrichs-Verlag, Bamberg, p.5, . but was first mentioned in 1194 as ''Baierrute'' in a document by Bishop Otto II of Bamberg. The syllable ''-rute'' may mean ''Rodung'' or "clearing", whilst ''Baier-'' indicates immigrants from the Bavarian region. Already documented earlier, were villages later merged into Bayreuth: Seulbitz (in 1 ...
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Hastings
Hastings () is a large seaside town and borough in East Sussex on the south coast of England, east to the county town of Lewes and south east of London. The town gives its name to the Battle of Hastings, which took place to the north-west at Senlac Hill in 1066. It later became one of the medieval Cinque Ports. In the 19th century, it was a popular seaside resort, as the railway allowed tourists and visitors to reach the town. Today, Hastings is a fishing port with the UK's largest beach-based fishing fleet. It has an estimated population of 92,855 as of 2018. History Early history The first mention of Hastings is found in the late 8th century in the form ''Hastingas''. This is derived from the Old English tribal name '' Hæstingas'', meaning 'the constituency (followers) of Hæsta'. Symeon of Durham records the victory of Offa in 771 over the ''Hestingorum gens'', that is, "the people of the Hastings tribe." Hastingleigh in Kent was named after that tribe. The place n ...
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England
England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain, which lies in the North Atlantic, and includes over 100 smaller islands, such as the Isles of Scilly and the Isle of Wight. The area now called England was first inhabited by modern humans during the Upper Paleolithic period, but takes its name from the Angles, a Germanic tribe deriving its name from the Anglia peninsula, who settled during the 5th and 6th centuries. England became a unified state in the 10th century and has had a significant cultural and legal impact on the wider world since the Age of Discovery, which began during the 15th century. The English language, the Anglican Church, and Engli ...
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Mineralogy
Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the processes of mineral origin and formation, classification of minerals, their geographical distribution, as well as their utilization. History Early writing on mineralogy, especially on gemstones, comes from ancient Babylonia, the ancient Greco-Roman world, ancient and medieval China, and Sanskrit texts from ancient India and the ancient Islamic world. Books on the subject included the ''Naturalis Historia'' of Pliny the Elder, which not only described many different minerals but also explained many of their properties, and Kitab al Jawahir (Book of Precious Stones) by Persian scientist Al-Biruni. The German Renaissance specialist Georgius Agricola wrote works such as '' De re metallica'' (''On Metals'', 1556) and ''De Natura Fossilium'' ( ...
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Geological Society Of London
The Geological Society of London, known commonly as the Geological Society, is a learned society based in the United Kingdom. It is the oldest national geological society in the world and the largest in Europe with more than 12,000 Fellows. Fellows are entitled to the postnominal FGS (Fellow of the Geological Society), over 2,000 of whom are Chartered Geologists (CGeol). The Society is a Registered Charity, No. 210161. It is also a member of the Science Council, and is licensed to award Chartered Scientist to qualifying members. The mission of the society is: "Making geologists acquainted with each other, stimulating their zeal, inducing them to adopt one nomenclature, facilitating the communication of new facts and ascertaining what is known in their science and what remains to be discovered". History The Society was founded on 13 November 1807 at the Freemasons' Tavern, Great Queen Street, in the Covent Garden district of London. It was partly the outcome of a previous cl ...
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Natural History Museum, London
The Natural History Museum in London is a museum that exhibits a vast range of specimens from various segments of natural history. It is one of three major museums on Exhibition Road in South Kensington, the others being the Science Museum and the Victoria and Albert Museum. The Natural History Museum's main frontage, however, is on Cromwell Road. The museum is home to life and earth science specimens comprising some 80 million items within five main collections: botany, entomology, mineralogy, palaeontology and zoology. The museum is a centre of research specialising in taxonomy, identification and conservation. Given the age of the institution, many of the collections have great historical as well as scientific value, such as specimens collected by Charles Darwin. The museum is particularly famous for its exhibition of dinosaur skeletons and ornate architecture—sometimes dubbed a ''cathedral of nature''—both exemplified by the large ''Diplodocus'' cast that domina ...
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Adolarius Jacob Forster
Adolarius Jacob Forster (1739–1806) was a Prussian mineralogist and dealer in display specimen minerals. The Forster family left Yorkshire in 1649 and settled in Prussia. Adolarius Jacob Forster began dealing in mineral specimens around 1766, at the age of 27. He continued in that profession for 40 years and travelled widely. He had premises in London, Paris and St. Petersburg. The Covent Garden, London shop and one in Soho was run by his wife. His brother, Ingham Henry Forster (1725–1782) ran the business in Paris. Auction catalogues for sales in Paris were written by Rome de l'Isle. He was related to Johann Georg Adam Forster and Johann Reinhold Forster and his sister married the London dealer naturalist George Humphrey at St-Martin-in-the-Fields, London on August 16, 1768. In 1802 Forster sold a collection to the museum of the St Petersburg Mining Institute, under the auspices of the Emperor of All Russia Alexander I. He spent the last ten years of his life in Russia, and ...
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Armand Lévy (mineralogist)
Serve-Dieu Abailard "Armand" Lévy (14 November 1795 – 29 July 1841) was a French mathematician and mineralogist. He is remembered in the Haüy-Lévy notation for describing mineral crystal structures. Life Lévy was born in Paris where his Jewish businessman father had married Céline Mailfert, a Catholic. Although his birth and death records have his given names as Serve-Dieu Abailard, he registered with the Geological Society of London under the name Armand. Armand Lévy studied mathematics, passing his agrégation in 1816 from the École Normale Supérieure. His Jewish origin prevented him from obtaining jobs in France and took up an offer Collège Royal on Reunion Island. While sailing to the Indian Ocean, his ship was wrecked off Plymouth. He then settled in London where he made a living by giving mathematics tuitions and in 1820 he met a mineral dealer, Henry Heuland, who asked him to categorise his collection as part of its sale to Charles Hampden Turner. In London h ...
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Heulandite
Heulandite is the name of a series of tecto-silicate minerals of the zeolite group. Prior to 1997, heulandite was recognized as a mineral species, but a reclassification in 1997 by the International Mineralogical Association changed it to a series name, with the mineral species being named: * Heulandite-Ca * Heulandite-Na * Heulandite-K * Heulandite-Sr * Heulandite-Ba (described in 2002). Heulandite-Ca, the most common of these, is a hydrous calcium and aluminium silicate, . Small amounts of sodium and potassium are usually present replacing part of the calcium. Strontium replaces calcium in the heulandite-Sr variety. The appropriate species name depends on the dominant element. The species are visually indistinguishable, and the series name heulandite is still used whenever testing has not been performed. Crystallography and properties Crystals are monoclinic. They may have a characteristic coffin-shaped habit, but may also form simple rhombic prisms. Frequently, a crust o ...
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Palladium
Palladium is a chemical element with the symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by the English chemist William Hyde Wollaston. He named it after the asteroid Pallas, which was itself named after the epithet of the Greek goddess Athena, acquired by her when she slew Pallas. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). They have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. More than half the supply of palladium and its congener platinum is used in catalytic converters, which convert as much as 90% of the harmful gases in automobile exhaust (hydrocarbons, carbon monoxide, and nitrogen dioxide) into nontoxic substances (nitrogen, carbon dioxide and water vapor). Palladium is also used in electronics, dentistry, medicine, hydrogen purification, chemical applications, groundwate ...
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English Mineralogists
English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national identity, an identity and common culture ** English language in England, a variant of the English language spoken in England * English languages (other) * English studies, the study of English language and literature * ''English'', an Amish term for non-Amish, regardless of ethnicity Individuals * English (surname), a list of notable people with the surname ''English'' * People with the given name ** English McConnell (1882–1928), Irish footballer ** English Fisher (1928–2011), American boxing coach ** English Gardner (b. 1992), American track and field sprinter Places United States * English, Indiana, a town * English, Kentucky, an unincorporated community * English, Brazoria County, Texas, an unincorporated community * En ...
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English Natural History Collectors
English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national identity, an identity and common culture ** English language in England, a variant of the English language spoken in England * English languages (other) * English studies, the study of English language and literature * ''English'', an Amish term for non-Amish, regardless of ethnicity Individuals * English (surname), a list of notable people with the surname ''English'' * People with the given name ** English McConnell (1882–1928), Irish footballer ** English Fisher (1928–2011), American boxing coach ** English Gardner (b. 1992), American track and field sprinter Places United States * English, Indiana, a town * English, Kentucky, an unincorporated community * English, Brazoria County, Texas, an unincorporated community * Englis ...
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