In ancient times, gold was often owned by emperors or nobles. Even\nin countries of different faiths, gold has become a material for worship and\ndecoration to protect the image of gods. In modern life, gold also plays this\nrole.<\/p>\n\n\n\n
Gold is a natural product that exists in a free state in nature and\ncannot be artificially synthesized. It was a metal that humans discovered and\nused earlier. The word “gold” originally originated from Sanskrit,\nmeaning “illumination”. Because it is rare, special and precious promise rings for her<\/strong>, it has been\nregarded as the head of metals since ancient times and has the title of\n“king of metals”. China has abundant gold mines and has a long\nhistory of mining. During the Han Dynasty, China’s gold output once ranked\nfirst in the world. The reserves of gold yin\nyang necklace<\/strong> on the earth are small and their distribution is extremely\nuneven. In the crustal lithosphere, the gold content is about 5 parts per\nbillion, or 5 mg of gold per ton. In the wide expanse ocean, the total reserves\nof gold are extremely rich, and the world’s identified gold resources are\n89,000 tons.<\/p>\n\n\n\n What are the\ncharacteristics of gold?<\/p>\n\n\n\n Physical characteristics: Gold has good chemical stability, with a\ndensity of 19.32 grams per cubic centimeter and a melting point of 1063\ndegrees, which is 472 degrees lower than the melting point of iron. Therefore,\nthe so-called “genuine gold is not afraid of fiery fire” is strictly\nunscientific. The properties of gold necklaces\nfor girlfriend<\/strong> are stable, do not melt, do not change color, and do not\noxidize at 1000 degrees Celsius. What’s more, gold has excellent ductility. 1\ngram of pure gold (about the size of a green pea) can be drawn into a\n25-kilometer-long gold thread. At present, the gold content of 99.99% is the\npurest gold. Pure gold is easy to forge, to extend and to wear. In the past,\npeople often used the “touchstone” to identify the genuine and fake\nand fineness of gold. The so-called “touchstone” is a dense, hard,\nshiny black, siliceous rock containing carbon. Scratch gold or gold products on\nthe stone to judge the condition of the gold from the color of the streaks left\non the stone. Gold infinity bracelet<\/strong>\nis a good conductor of heat and electricity. Gold is a symbol of wealth and\nrights, and has played a role of wealth and power in history and culture.<\/p>\n\n\n\n Gold is the world’s reserve currency. The economic value of gold\nitself makes it play a special role in the fields of financial currency,\nsociety and culture and political life, such as circulation, value\nmanifestation, collection, investment, appreciation, preservation of value,\nwearing decoration, etiquette communication and so on.<\/p>\n\n\n\n Are gold and K\ngold belong to gold?<\/p>\n\n\n\n How is gold\nclassified?<\/p>\n\n\n\n Because pure gold is soft, people will add a small amount of silver,\ncopper, zinc and other metals to pure gold to increase the strength and\ntoughness, so gold is classified according to purity. However, with the\nimprovement of gold jewelry processing technology in recent years and the\napplication of new technology development, some more pure gold jewelry also\nreached a higher hardness.<\/p>\n\n\n\n According to the national standard GB 11887-2008 “Specification\nof Purity and Nomenclature of Precious Metal Jewelry”, the gold content\nmust not be less than 990 \u2030, which is expressed in pure gold. The unit for\ndetermining the gold content in gold jewelry is called “carat”, and\nthe English name is “Karat “, can also be abbreviated as” K\n“according to the English prefix. For common 18K gold, 22K gold, and pure\ngold fingerprint jewelry<\/strong> products,\nthe gold purity is 750 \u2030, 916 \u2030, and 990 \u2030, respectively. Generally speaking,\n24K is 99.99% pure gold.<\/p>\n\n\n\n What is the value\nof gold?<\/p>\n\n\n\n Inheritance value:\nGold is the inheritor of thousands of years of culture. Many noble elders will\ncollect gold ornaments of valuable culture as a family heritage, and give the\nproduct the title of “heirloom”.<\/p>\n\n\n\n Wearing value:\nGold, as an indispensable dowry in Chinese folk marriage, is more noble and\nelegant name bracelet<\/strong> as a\ndecoration in daily life, and it is a symbol of temperament and connotation!<\/p>\n\n\n\n Investment value: Gold\nhas the reputation of being a hard currency, meaning “gold as the world’s\nbest easy to mortgage cash varieties”. With less tax transactions, easier\ntransfer of property rights, and strong anti-inflation ability, it cashed particularly\nfast, especially in special circumstances such as war and troubled times, it\nhas the functions of value preservation and hedging.<\/p>\n","protected":false},"excerpt":{"rendered":" In ancient times, gold was often owned by emperors or nobles. Even in countries of different faiths, gold has become a material for worship and decoration to protect the image of gods. In modern life, gold also plays this role. … <\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[7],"tags":[],"yoast_head":"\n