1.
Mint (facility)
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A mint is an industrial facility which manufactures coins that can be used in currency. The history of mints correlates closely with the history of coins, in the beginning, hammered coinage or cast coinage were the chief means of coin minting, with resulting production runs numbering as little as the hundreds or thousands. In modern mints, coin dies are manufactured in large numbers, with the mass production of currency, the production cost is weighed when minting coins. For example, it costs the United States Mint much less than 25 cents to make a quarter, metals were well suited to represent wealth, owing to their great intrinsic value and their durability, divisibility and rarity. The first mint was established in Lydia in the 7th century BC, for coining gold, silver. The Lydian innovation of manufacturing coins under the authority of the spread to neighboring Greece. Some of the earliest Greek mints were within city-states on Greek islands such as Crete, at about the same time, coins and mints appeared independently in China and spread to Korea and Japan. The manufacture of coins in the Roman Empire, dating from about the 4th century BC, the origin of the word mint is ascribed to the manufacture of silver coin at Rome in 269 BC at the temple of Juno Moneta. This goddess became the personification of money, and her name was applied both to money and to its place of manufacture, Roman mints were spread widely across the Empire, and were sometimes used for propaganda purposes. The populace often learned of a new Roman Emperor when coins appeared with the new Emperors portrait, Ancient coins were made by casting in moulds or by striking between engraved dies. The Romans cast their larger copper coins in clay moulds carrying distinctive markings, not because they knew nothing of striking, casting is now used only by counterfeiters. The most ancient coins were cast in bulletshaped or conical moulds, the blank or unmarked piece of metal was placed on a small anvil, and the die was held in position with tongs. The reverse or lower side of the received a rectangular mark made by the sharp edges of the little anvil. Subsequently the anvil was marked in ways, and decorated with letters and figures of beasts. The spherical blanks soon gave place to lenticular-shaped ones, the blank was made red-hot and struck between cold dies. One blow was usually insufficient, and the method was similar to that used in striking medals in high relief. With the substitution of iron for bronze as the material for dies, about 300 AD, in the Middle Ages bars of metal were cast and hammered out on an anvil. Portions of the sheets were then cut out with shears
2.
Ancient Chinese coinage
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Ancient Chinese coinage includes some of the earliest known coins. These coins, used as early as the Spring and Autumn period, the Spring and Autumn period also saw the introduction of the first metal coins, however, they were not initially round, instead being either knife shaped or spade shaped. Round metal coins with a round, and then later square hole in the center were first introduced around 350 BCE, the beginning of the Qin Dynasty, the first dynasty to unify China, saw the introduction of a standardised coinage for the whole Empire. Subsequent dynasties produced variations on these round coins throughout the imperial period, ancient Chinese coins are markedly different from coins produced in the west. Chinese coins were manufactured by being cast in molds, whereas western coins were cut and hammered or, in later times. Chinese coins were made from mixtures of metals such copper, tin and lead, from bronze, brass or iron, precious metals like gold. The ratios and purity of the coin metals varied considerably, most Chinese coins were produced with a square hole in the middle. This was used to allow collections of coins to be threaded on a rod so that the rough edges could be filed smooth. Official coin production was not always centralised, but could be spread over many mint locations throughout the country, aside from officially produced coins, private coining was common during many stages of history. Various steps were taken over time to try to combat the private coining and limit its effects, at other times private coining was tolerated. The coins varied in value throughout the history, some coins were produced in very large numbers – during the Western Han, an average of 220 million coins a year were produced. Other coins were of limited circulation and are extremely rare – only six examples of Da Quan Wu Qian from the Eastern Wu Dynasty are known to exist. Occasionally, large hoards of coins have been uncovered, the earliest coinage of China was described by Sima Qian, the great historian of c. While nothing is known about the use of shells as money, gold. They are not found in hoards, and the probability is that all these are in fact funerary items. Archaeological evidence shows that the earliest use of the spade and knife money was in the Spring, as in ancient Greece, socio-economic conditions at the time were favourable to the adoption of coinage. Inscriptions and archaeological evidence shows that cowrie shells were regarded as important objects of value in the Shang Dynasty, in the Zhou period, they are frequently referred to as gifts or rewards from kings and nobles to their subjects. Later imitations in bone, stone or bronze were used as money in some instances
3.
Warring States period
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The Warring States Period derives its name from the Record of the Warring States, a work compiled early in the Han dynasty. The political geography of the era was dominated by the Seven Warring States, namely, Qin, The State of Qin was in the far west, with its core in the Wei River Valley and Guanzhong. This geographical position offered protection from the states of the Central Plains, the Three Jins, Northeast of Qin, on the Shanxi plateau, were the three successor states of Jin. These were, Han, south, along the Yellow River, Zhao, the northernmost of the three. Qi, located in the east of China, centred on the Shandong Peninsula, described as east of Mount Tai, Chu, located in the south of China, with its core territory around the valleys of the Han River and, later, the Yangtze River. Yan, located in the northeast, centred on modern-day Beijing, late in the period Yan pushed northeast and began to occupy the Liaodong Peninsula Besides these seven major states, some minor states also survived into the period. Yue, On the southeast coast near Shanghai was the State of Yue, Sichuan, In the far southwest were the States of Ba and Shu. These were non-Zhou states that were conquered by Qin late in the period, in the Central Plains comprising much of modern-day Henan Province, many smaller city states survived as satellites of the larger states, though they were eventually to be absorbed as well. Zhongshan, Between the states of Zhao and Yan was the state of Zhongshan, the Spring and Autumn period was initiated by the eastward flight of the Zhou court. There is no one single incident or starting point for the Warring States era, some proposed starting points are as follows,481 BC, Proposed by Song-era historian Lü Zuqian, since it is the end of the Spring and Autumn Annals. 476–475 BC, The author, Sima Qian, of Records of the Grand Historian who chose the year of King Yuan of Zhou. 403 BC, The year when Han, Zhao and Wei were officially recognised as states by the Zhou court, author Sima Guang of Zizhi Tongjian tells us that the symbol of eroded Zhou authority should be taken as the start of the Warring States era. The Spring and Autumn period led to a few states gaining power at the expense of many others, during the Warring States period, many rulers claimed the Mandate of Heaven to justify their conquest of other states and spread their influence. Other major states also existed, such as Wu and Yue in the southeast, the last decades of the Spring and Autumn era were marked by increased stability, as the result of peace negotiations between Jin and Chu which established their respective spheres of influence. This situation ended with the partition of Jin, whereby the state was divided between the houses of Han, Zhao and Wei, and thus enabled the creation of the seven major warring states. This allowed other clans to gain fiefs and military authority, and decades of struggle led to the establishment of four major families. The Battle of Jinyang saw the allied Han, Zhao and Wei destroy the Zhi family, with this, they became the de facto rulers of most of Jins territory, though this situation would not be officially recognised until half a century later. The Jin division created a vacuum that enabled during the first 50 years expansion of Chu and Yue northward
4.
Shaanxi
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Shaanxi, formerly romanized as Shensi, is a province of the Peoples Republic of China. Officially part of the Northwest China region, it lies in central China, bordering the provinces of Shanxi, Henan, Hubei, Chongqing, Sichuan, Gansu, Ningxia and it covers an area of over 205,000 km2 with about 37 million people. Xian—which includes the sites of the former Chinese capitals Fenghao and Changan—is the provincial capital, Xianyang, which served as the Qin capital, is located nearby. The other prefecture-level cities into which the province is divided are Ankang, Baoji, Hanzhong, Shangluo, Tongchuan, Weinan, Yanan and Yulin. Shaanxi comprises the Wei Valley and much of the surrounding fertile Loess Plateau, stretching from the Qin Mountains and Shannan in the south to the Ordos Desert in the north. Along with areas of adjacent Shanxi and Henan, it formed the cradle of Chinese civilization, with its Guanzhong region sheltering the capitals of the Zhou, Qin, Han, Jin, Sui, and Tang dynasties. It does not include the territory of the Yellow Rivers Ordos Loop, with the Great Wall of China separating it from the grasslands. The name Shaanxi is a romanization of the Mandarin pronunciation of the Chinese name 陕西. Because the Mandarin pronunciation of Shaanxi and its eastern neighbor Shanxi differ only in tone, the Peoples Republic of China therefore adopted the special official spelling Shaanxi for occasions when such marks are omitted. The first syllable is derived from Gwoyeu Romatzyh romanization, which reflects the tones of the vowels in their spelling. The second syllable—which would be shi in Gwoyeu Romatzyh—is instead given its usual pinyin spelling xi, when tone marks are noted, it is spelled Shǎnxī rather than Shǎanxī or Shaǎnxī. Shaanxi is considered one of the cradles of Chinese civilization, thirteen feudal dynasties established their capitals in the province during a span of more than 1,100 years, from the Zhou Dynasty to the Tang Dynasty. Under the Han Dynasty, the Northern Silk Road was expanded to advance exploration and this Northern Silk Road is the northernmost of the Silk Roads and is about 2,600 kilometres in length. It connected the ancient Chinese capital of Xian to the west over the Wushao Ling Pass to Wuwei, under the Ming dynasty, Shaanxi was incorporated into Gansu but was again separated in the Qing dynasty. One of the most devastating earthquakes in history occurred near Hua Shan, in part of Shaanxi Province on January 23,1556. The end of the short-lived Jiangxi Soviet signalled the beginning of the Long March by Mao Zedong, the Lantian Man site, with hominin fossils of one million years ago, was found in Lantian County in northwestern Shaanxi province, near the city of Xian. Scientists classify Lantian Man as a subspecies of Homo erectus, the fossils are displayed at the Shaanxi History Museum, Xian, China. In between the Loess Plateau and the Qinling lies the Wei River Valley, or Guanzhong, a cradle of early Chinese civilization, going clockwise, Shaanxi borders Shanxi, Henan, Hubei, Chongqing, Sichuan, Gansu, Ningxia, and Inner Mongolia
5.
Renminbi
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The renminbi /ˌrɛnmɪnˈbiː/ is the official currency of the Peoples Republic of China. The yuan is the unit of the renminbi, but is also used to refer to the Chinese currency in general. The distinction between the terms renminbi and yuan is similar to that between sterling and pound, which refer to the British currency and its primary unit. One yuan is subdivided into 10 jiao, and a jiao in turn is subdivided into 10 fen, the ISO code for renminbi is CNY, or also CNH when traded in off-shore markets such as Hong Kong. The currency is often abbreviated RMB, or indicated by the yuan sign ¥, in Chinese texts the currency may also be indicated with the Chinese character for the yuan, 圆. The renminbi is legal tender in mainland China, but not in Hong Kong or Macau, renminbi is sometimes accepted in Hong Kong and Macau, and are easily exchanged in the two territories, with banks in Hong Kong allowing people to maintain accounts in RMB. The currency is issued by the Peoples Bank of China, the authority of China. Until 2005, the value of the renminbi was pegged to the US dollar and it has previously been claimed that the renminbis official exchange rate was undervalued by as much as 37. 5% against its purchasing power parity. Since 2006, the exchange rate has been allowed to float in a narrow margin around a fixed base rate determined with reference to a basket of world currencies. The Chinese government has announced that it gradually increase the flexibility of the exchange rate. As a result of the rapid internationalization of the renminbi, it became the worlds 8th most traded currency in 2013, and 5th in 2015. On 1 October 2016, the RMB became the first emerging market currency to be included in the IMFs special drawing rights basket, a variety of currencies circulated in China during the Republic of China era, most of which were denominated in the unit yuán. Each was distinguished by a name, such as the fabi, the gold yuan. During the era of the economy, the value of the renminbi was set to unrealistic values in exchange with western currency. The unrealistic levels at which exchange rates were pegged led to a black market in currency transactions. In the late 1980s and early 1990s, China worked to make the RMB more convertible, through the use of swap centres, the exchange rate was brought to realistic levels and the dual track currency system was abolished. As of 2013, the renminbi is convertible on current accounts, the ultimate goal has been to make the RMB fully convertible. From 1949 until the late 1970s, the state fixed Chinas exchange rate at a highly overvalued level as part of the countrys import -substitution strategy
6.
History of China
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Written records of the history of China can be found from as early as 1500 BC under the Shang dynasty. Ancient historical texts such as the Records of the Grand Historian and the Bamboo Annals describe a Xia dynasty, with thousands of years of continuous history, China is one of the worlds oldest civilizations, and is regarded as one of the cradles of civilization. Much of Chinese culture, literature and philosophy developed during the Zhou dynasty. This is one of multiple periods of failed statehood in Chinese history, between eras of multiple kingdoms and warlordism, Chinese dynasties have ruled parts or all of China, in some eras control stretched as far as Xinjiang and Tibet, as at present. In 221 BC Qin Shi Huang united the warring kingdoms and created for himself the title of emperor of the Qin dynasty. Successive dynasties developed bureaucratic systems that enabled the emperor to control vast territories directly, in the 21 centuries from 206 BC until AD1912, routine administrative tasks were handled by a special elite, the Scholar-officials. Young men were selected through difficult examinations and were well-versed in calligraphy and philosophy. What is now China was inhabited by Homo erectus more than a million years ago, recent study shows that the stone tools found at Xiaochangliang site are magnetostratigraphically dated to 1.36 million years ago. The archaeological site of Xihoudu in Shanxi Province is the earliest recorded use of fire by Homo erectus, the excavations at Yuanmou and later Lantian show early habitation. Perhaps the most famous specimen of Homo erectus found in China is the so-called Peking Man discovered in 1923–27, fossilised teeth of Homo sapiens dating to 125, 000–80,000 BC have been discovered in Fuyan Cave in Dao County in Hunan. The Neolithic age in China can be traced back to about 10,000 BC, Early evidence for proto-Chinese millet agriculture is radiocarbon-dated to about 7000 BC. The earliest evidence of cultivated rice, found by the Yangtze River, is carbon-dated to 8,000 years ago, farming gave rise to the Jiahu culture. At Damaidi in Ningxia,3,172 cliff carvings dating to 6000–5000 BC have been discovered, featuring 8,453 individual characters such as the sun, moon, stars, gods and these pictographs are reputed to be similar to the earliest characters confirmed to be written Chinese. Chinese proto-writing existed in Jiahu around 7000 BC, Dadiwan from 5800 BC to 5400 BC, Damaidi around 6000 BC, some scholars have suggested that Jiahu symbols were the earliest Chinese writing system. With agriculture came increased population, the ability to store and redistribute crops, Later, Yangshao culture was superseded by the Longshan culture, which was also centered on the Yellow River from about 3000 BC to 2000 BC. Bronze artifacts have been found at the Majiayao culture site, The Bronze Age is also represented at the Lower Xiajiadian culture site in northeast China. Sanxingdui located in what is now Sichuan province is believed to be the site of a ancient city. The site was first discovered in 1929 and then re-discovered in 1986, Chinese archaeologists have identified the Sanxingdui culture to be part of the ancient kingdom of Shu, linking the artifacts found at the site to its early legendary kings
7.
Qin Shi Huang
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Qin Shi Huang was the founder of the Qin dynasty and was the first emperor of a unified China. He was born Ying Zheng or Zhao Zheng, a prince of the state of Qin. He became the King Zheng of Qin when he was thirteen, then Chinas first emperor when he was 38 after the Qin had conquered all of the other Warring States and unified all of China in 221 BC. Rather than maintain the title of king borne by the previous Shang and Zhou rulers and his self-invented title emperor, as indicated by his use of the word First, would continue to be borne by Chinese rulers for the next two millennia. Qin Shi Huang also worked with his minister Li Si to enact major economic and he is traditionally said to have banned and burned many books and executed scholars, though a closer examination renders the account doubtful. In ancient China however the naming convention differed, and Zhao may be used as the surname, the rulers of Qin had styled themselves kings from the time of King Huiwen in 325 BC. Upon his ascension, Zheng became known as the King of Qin or King Zheng of Qin and this title made him the nominal equal of the rulers of Shang and of Zhou, the last of whose kings had been deposed by King Zhaoxiang of Qin in 256 BC. Following the surrender of Qi in 221 BC, King Zheng had reunited all of the lands of the former Kingdom of Zhou, rather than maintain his rank as king, however, he created a new title of huángdì for himself. This new title combined two titles—huáng of the mythical Three Sovereigns and the dì of the legendary Five Emperors of Chinese prehistory. King Zheng chose the new name of First Emperor on the understanding that his successors would be successively titled the Second Emperor, Third Emperor. The new title carried religious overtones, for that reason, Sinologists—starting with Peter Boodberg or Edward Schafer—sometimes translate it as thearch and the First Emperor as the First Thearch. The First Emperor intended that his realm would remain intact through the ages but, following its overthrow and replacement by Han after his death, following his elevation as emperor, both Zhengs personal name 政 and possibly its homophone 正 became taboo. The First Emperor also arrogated the first-person Chinese pronoun 朕 for his exclusive use, others were to address him as Your Majesty in person and Your Highness in writing. According to the Records of the Grand Historian, written by Sima Qian during the Han dynasty, the first emperor was the eldest son of the Qin prince Yiren, who later became King Zhuangxiang of Qin. Prince Yiren at that time was residing at the court of Zhao, Prince Yiren had fallen in love at first sight with a concubine of Lü Buwei, a rich merchant from the State of Wey. Lü consented for her to be Yirens wife, who became known as Lady Zhao after the state of Zhao. Lü Buweis machinations later helped Yiren become King Zhuangxiang of Qin in 250 BC, however, the Records of the Grand Historian also claimed that the first emperor was not the actual son of Prince Yiren but that of Lü Buwei. According to translations of the Annals of Lü Buwei, Zhao Ji gave birth to the emperor in the city of Handan in 259 BC
8.
Stater
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The stater was an ancient coin used in various regions of Greece. The term is used for similar coins, imitating Greek staters. The stater, as a Greek silver currency, first as ingots, the earliest known stamped stater is an electrum turtle coin, struck at Aegina that dates to about 700 BC. It is on display at the Bibliothèque Nationale of Paris, the silver stater minted at Corinth of 8.6 grams weight was divided into three silver drachmas of 2.9 grams, but was often linked to the Athenian silver didrachm coin weighing 8.6 grams. In comparison, the Athenian silver tetradrachm was weighing 17.2 grams. There also existed a gold stater, but it was minted in some places, and was mainly an accounting unit worth 20–28 drachmas depending on place and time. The use of gold staters in coinage seems mostly of Macedonian origin, the best known types of Greek gold staters are the 28 drachmas Kyzikenos from Cyzicus. Celtic tribes brought the concept to Western and Central Europe after obtaining it while serving as mercenaries in north Greece. Gold staters were minted in Gaul by Gallic chiefs modeled after those of Philip II of Macedonia, some of these staters in the form of the Gallo-Belgic series were imported to Britain on a large scale. These went on to influence a range of staters produced in Britain, british Gold staters generally weighed between 6.5 and 4.5 grams. Celtic staters were minted in present-day Czech Republic and Poland. The conquests of Alexander extended Greek culture east, leading to the adoption of staters in Asia, Gold staters have also been found from the ancient region of Gandhara from the time of Kanishka
9.
Han dynasty
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The Han dynasty was the second imperial dynasty of China, preceded by the Qin dynasty and succeeded by the Three Kingdoms period. Spanning over four centuries, the Han period is considered an age in Chinese history. To this day, Chinas majority ethnic group refers to itself as the Han people and it was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han, and briefly interrupted by the Xin dynasty of the former regent Wang Mang. This interregnum separates the Han dynasty into two periods, the Western Han or Former Han and the Eastern Han or Later Han, the emperor was at the pinnacle of Han society. He presided over the Han government but shared power with both the nobility and appointed ministers who came largely from the gentry class. The Han Empire was divided into areas controlled by the central government using an innovation inherited from the Qin known as commanderies. These kingdoms gradually lost all vestiges of their independence, particularly following the Rebellion of the Seven States, from the reign of Emperor Wu onward, the Chinese court officially sponsored Confucianism in education and court politics, synthesized with the cosmology of later scholars such as Dong Zhongshu. This policy endured until the fall of the Qing dynasty in 1911 AD, the Han dynasty was an age of economic prosperity and saw a significant growth of the money economy first established during the Zhou dynasty. The coinage issued by the government mint in 119 BC remained the standard coinage of China until the Tang dynasty. The period saw a number of limited institutional innovations, the Xiongnu, a nomadic steppe confederation, defeated the Han in 200 BC and forced the Han to submit as a de facto inferior partner, but continued their raids on the Han borders. Emperor Wu of Han launched several campaigns against them. The ultimate Han victory in these wars eventually forced the Xiongnu to accept vassal status as Han tributaries, the territories north of Hans borders were quickly overrun by the nomadic Xianbei confederation. Imperial authority was seriously challenged by large Daoist religious societies which instigated the Yellow Turban Rebellion. When Cao Pi, King of Wei, usurped the throne from Emperor Xian, following Liu Bangs victory in the Chu–Han Contention, the resulting Han dynasty was named after the Hanzhong fief. Chinas first imperial dynasty was the Qin dynasty, the Qin unified the Chinese Warring States by conquest, but their empire became unstable after the death of the first emperor Qin Shi Huangdi. Within four years, the authority had collapsed in the face of rebellion. Although Xiang Yu proved to be a commander, Liu Bang defeated him at Battle of Gaixia. Liu Bang assumed the title emperor at the urging of his followers and is known posthumously as Emperor Gaozu, Changan was chosen as the new capital of the reunified empire under Han
10.
Bronze
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These additions produce a range of alloys that may be harder than copper alone, or have other useful properties, such as stiffness, ductility, or machinability. The archeological period where bronze was the hardest metal in use is known as the Bronze Age. In the ancient Near East this began with the rise of Sumer in the 4th millennium BC, with India and China starting to use bronze around the same time, everywhere it gradually spread across regions. The Bronze Age was followed by the Iron Age starting from about 1300 BC and reaching most of Eurasia by about 500 BC, the discovery of bronze enabled people to create metal objects which were harder and more durable than previously possible. Bronze tools, weapons, armor, and building such as decorative tiles were harder and more durable than their stone. It was only later that tin was used, becoming the major ingredient of bronze in the late 3rd millennium BC. Tin bronze was superior to arsenic bronze in that the process could be more easily controlled. Also, unlike arsenic, metallic tin and fumes from tin refining are not toxic, the earliest tin-alloy bronze dates to 4500 BCE in a Vinča culture site in Pločnik. Other early examples date to the late 4th millennium BC in Africa, Susa and some ancient sites in China, Luristan, ores of copper and the far rarer tin are not often found together, so serious bronze work has always involved trade. Tin sources and trade in ancient times had a influence on the development of cultures. In Europe, a source of tin was the British deposits of ore in Cornwall. In many parts of the world, large hoards of bronze artefacts are found, suggesting that bronze also represented a store of value, in Europe, large hoards of bronze tools, typically socketed axes, are found, which mostly show no signs of wear. With Chinese ritual bronzes, which are documented in the inscriptions they carry and from other sources and these were made in enormous quantities for elite burials, and also used by the living for ritual offerings. Pure iron is soft, and the process of beating and folding sponge iron to wrought iron removes from the metal carbon. Careful control of the alloying and tempering eventually allowed for wrought iron with properties comparable to modern steel, Bronze was still used during the Iron Age, and has continued in use for many purposes to the modern day. Among other advantages, it does not rust, the weaker wrought iron was found to be sufficiently strong for many uses. Archaeologists suspect that a disruption of the tin trade precipitated the transition. The population migrations around 1200–1100 BC reduced the shipping of tin around the Mediterranean, limiting supplies, there are many different bronze alloys, but typically modern bronze is 88% copper and 12% tin
11.
Gold
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Gold is a chemical element with symbol Au and atomic number 79. In its purest form, it is a bright, slightly yellow, dense, soft, malleable. Chemically, gold is a metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions, Gold often occurs in free elemental form, as nuggets or grains, in rocks, in veins, and in alluvial deposits. It occurs in a solid solution series with the element silver and also naturally alloyed with copper. Less commonly, it occurs in minerals as gold compounds, often with tellurium, golds atomic number of 79 makes it one of the higher numbered, naturally occurring elements. It is thought to have produced in supernova nucleosynthesis, from the collision of neutron stars. Because the Earth was molten when it was formed, almost all of the present in the early Earth probably sank into the planetary core. Gold is resistant to most acids, though it does dissolve in aqua regia, a mixture of acid and hydrochloric acid. Gold also dissolves in solutions of cyanide, which are used in mining and electroplating. Gold dissolves in mercury, forming amalgam alloys, but this is not a chemical reaction, as a precious metal, gold has been used for coinage, jewelry, and other arts throughout recorded history. A total of 186,700 tonnes of gold is in existence above ground, the world consumption of new gold produced is about 50% in jewelry, 40% in investments, and 10% in industry. Gold is also used in infrared shielding, colored-glass production, gold leafing, certain gold salts are still used as anti-inflammatories in medicine. As of 2014, the worlds largest gold producer by far was China with 450 tonnes, Gold is cognate with similar words in many Germanic languages, deriving via Proto-Germanic *gulþą from Proto-Indo-European *ǵʰelh₃-. The symbol Au is from the Latin, aurum, the Latin word for gold, the Proto-Indo-European ancestor of aurum was *h₂é-h₂us-o-, meaning glow. This word is derived from the root as *h₂éu̯sōs, the ancestor of the Latin word Aurora. This etymological relationship is presumably behind the frequent claim in scientific publications that aurum meant shining dawn, Gold is the most malleable of all metals, a single gram can be beaten into a sheet of 1 square meter, and an avoirdupois ounce into 300 square feet. Gold leaf can be thin enough to become semi-transparent
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