how soft is pure gold?
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In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable and ductile metal. Pure gold is so soft that it can be molded with the hands. An ounce of gold can be beaten into a sheet covering 100 square feet.
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It's the lightest solid metal, it's soft, silvery-white, with a low melting point and reactive. Many of its physical and chemical properties are more similar to those of the alkaline earth metals than to those of its own group.
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['Gold is a chemical element. ... ', 'Compared to other metals, gold is less chemically reactive.', 'Gold is a good conductor of electricity and heat.', 'Gold is shiny, soft and dense. ... ', 'Gold is malleable enough for just 1 gram to be hammered into a sheet 1 square meter in size.']
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If it's in relatively unworn condition, it should still weigh 7.98g or thereabouts. A Sovereign is minted in 22ct gold, which means it contains 91.67% pure gold (7.31g by mass).
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Purity of gold coins Karat is the more commonly used measure of gold purity. 24 Karat (KT) is considered to be purest form of gold which contains 24/24 parts of gold. Similarly, 22KT gold contains 22 parts of gold and 2 parts of other metals such as zinc or silver to make it more durable while making jewellery.
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A white gold piece is not pure gold. When white gold is made, yellow gold is mixed together with white metals such as silver, palladium, or nickel. ... To be considered platinum, a piece must contain 95% or more of the metal, making it one of the purest precious metals you can buy.
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Gold Filled is not the same as Solid Gold. It is a fraction of the cost of Solid Gold and is made by bonding gold to a base metal to give it the appearance of gold. The process involves a high amount of heat and pressure and the resultant gold filled piece is typically more durable than a gold plated piece.
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Silver. Pure silver is nearly white, lustrous, soft, very ductile, malleable, it is an excellent conductor of heat and electricity. It is not a chemically active metal, but it is attacked by nitric acid (forming the nitrate) and by hot concentrated sulfuric acid.
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Gold is one of the least reactive chemical elements. Gold alone or pure gold does not combine easily with oxygen so it stays shiny, it does not rust nor tarnish, again, that is pure gold. ... Little tarnishing may be observed in 14 karat gold jewelries and very seldom in 18 karat gold.
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99.99 vs 99.999 Fine Gold Fine gold is gold that is almost pure. As aforementioned, its purity is typically graded using a scale of millesimal fineness. As 100% pure gold is essentially impossible to achieve, the purest type of gold commercially available is 999.99. This is also referred to as five nines.
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Gold is too soft to be used in the forging of weapons, but it is a highly sought after alchemical ingredient. It can be ground into a fine dust and ingested or melted down and used to create jewelry and other trinkets.
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Another metal that is also not hard to deform is silver. The softest metals are not the only ones that can bend. Platinum is harder than gold, but a ring made of platinum can still change its shape, although not as easily – that depends on the platinum alloy used (some of them are softer than others).
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A gold karat is 1/24 part, or 4.1667 percent, of the whole, and the purity of a gold alloy is expressed as the number of these parts of gold it contains. Thus, an object that contains 16 parts gold and 8 parts alloying metal is 16-karat gold, and pure gold is 24-karat gold.
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Because of its softness, pure gold is rarely used to make jewelry. Items made of 24K gold bend very easily, and this is why pure gold is not a good choice for pieces that will be worn as adornment. ... So, almost all gold jewelry is not actually pure gold.
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Au (Gold) is an element. So, it is a pure substance since the one type of atom can't be broken down.
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Of the four most common gold purity levels, 10k is the most durable, though it also has the lowest gold content. 14k is slightly purer while also highly durable, while 18k gold is the purest form of gold that's typically used for engagement rings and other jewelry.
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10 karat gold is made up of 41.7% gold and 58.3% alloy, or 10 out of 24 parts gold. 10k gold is the least pure, least expensive and most durable form of gold used in jewelry. ... Aesthetically, 10k gold has a pale appearance, with a significantly less rich yellow tone than 14k or 18k gold.