Natural gold nuggets such as gold nuggets are impure in texture and generally contain a small amount of other metals, among which silver is the most common, and others are copper, iron and platinum. Natural large pieces of gold are called small pieces, which can only be obtained by extremely accidental opportunities.
According to statistics, there are about 8000 ~ 10000 gold nuggets in the world that are larger than 10 kg. The largest number is Australia, accounting for 80% of the total gold bullion. The largest gold nugget weighs 235.87 kilograms and is also produced in Australia. ?
In the history of human gold mining, China is also one of the countries where gold nuggets are frequently found. The middle and lower reaches of Zishui River Basin in Hunan Province are rich in gold deposits in China. In addition, gold bullion has also been found in White County of Sichuan Province, Nanzheng County of Shaanxi Province, Ankang County, Huma County of Heilongjiang Province, Huadian County of Jilin Province, Datong County, Qumalai County of Zhaoyuan City of Shandong Province and Zunhua County of Hebei Province. , a total of about one thousand pieces. ?
There are also many examples of gold nuggets found in modern China. 1909, a gold miner in yanyuan county, Sichuan province was unfortunately injured by a "stone" falling from the top while working underground. He felt heavy when he moved the "stone". When he moved into the pit, he saw that it was a piece of gold, weighing 3 1kg. 1982 During the break, Gong Yue, a gold miner in Xinglong Township, Huma County, Heilongjiang Province, accidentally used a pickaxe to dig the ground, but accidentally picked up a gold nugget weighing 3,325 grams. Farmers in Wudangqiao Village, Nanzheng County, Shaanxi Province picked up a gold nugget weighing 8 10 gram. It is reported that there is a canyon rich in gold nuggets in Dinosaur Gully, White County, Sichuan Province. 1987 discovered gold nuggets weighing 4800.8g and 6 136. 15g, which successively set new records of gold nuggets discovered in China since the founding of the People's Republic of China, and can be called a "national treasure". The last time China discovered gold nuggets was at 6: 30 p.m. on June 7th, 1997, which was discovered by workers of Sigou Gold Mine in Menyuan County, Qinghai Province. When this red thing came into people's sight, it began to distrust its own eyes. This huge gold nugget, weighing 6577 grams, looks like a pair of female and female monkeys, only to see the "female monkey" sitting on the ground. Holding a lovely "little monkey" in his arms. On the lower part of the other side of the gold nugget, there is also a turtle crawling quietly, with its glans stretched high forward, as if observing the surrounding environment. The exposed front and back feet are vivid and dynamic. The whole design is natural and vivid, which can be described as ingenious and amazing. At the beginning of the founding of New China, the annual output of gold in China was only 4.07 tons. After 30 years, the gold output has been hovering at a low level, and the average annual output is less than 10 ton, which is far from meeting the needs of economic construction. ? 1978, Wang Zhen, then vice premier, made a suggestion to the Central Committee: "Let the troops look for gold!" Wang Zhen's proposal is unique in the world military history. 1988, the officers and men of the Jinwu detachment who fought in Xing 'anling discovered the extraordinarily large "gold nugget" that shocked China. This piece of gold weighs 2 155.8 grams and contains more than 70% gold. ?
Form:
Gold wrapped in stone is a form of gold nugget. Judging from the discovered dog head gold, there are generally three forms, namely, gem stone, gem stone and gem stone. ?
Now, in many parts of the world, whether it is the specimen world or the personal collection world, the valuation of this natural gold is extremely high. Each group of natural Jin Shuijing (0.5 ~ 3cm) produced in Venezuela is valued at $250,000 by new york Foreign Exchange Bank. Cubic gold particles with a length of 3.8 ~ 12 cm found in a gold mine in the former Soviet Union have been bought by Moscow Bank at a high price.