14 May Amazing Facts About Gold
While we spoke about a few surprising facts about silver a few days back, now it’s time that we speak about some amazing facts about another precious metal – Gold. So, let us take a look at some of the most incredible facts about gold, which you may or may not have known about yet.
- Almost all the gold on Earth came from meteorites that bombarded the planet more than 200 million years after it was formed!
- Gold is the only metal that has a natural yellow colour. Other metals that have a yellowish tinge are not natural; it only happens after the metal has been oxidized or reacted with other chemicals.
- 24 karat gold is the purest form of gold. 18 karat gold is 75% gold; 14 karat gold is 58.5% gold; and 10 karat gold is 41.7% gold. The remaining portion of such gold metals comprise of silver or a combination of other metals like copper, platinum, nickel, iron, zinc, cadmium, and palladium. 100% pure gold is so soft that it can be moulded with the hands.
- Gold can be found beneath the earth in all seven continents. In fact, it is believed that 80% of the earth’s gold is still buried underground. In fact, gold can also be found on Mars, Mercury, and Venus, as per the belief of scientists.
- There is almost 10 billion tons of gold in the oceans, with every cubic mile of sea water having 25 tons of gold. However, there is no known way to recover it yet.
- While you can see gold everywhere, it is in fact one of the most rarest material; even rarer than diamonds! Gold ranks 58th from the 92 naturally occurring elements found in the earth’s crust in terms of rarity.
- Gold is one of the heaviest and densest materials. One cubic foot of gold weighs almost half a ton!
- Gold is very ductile. A piece of gold weighing 28 grams can be stretched into a gold thread that is 8 kilometers long!
- Gold is also very malleable. In fact, it is the most malleable element. 28 grams of gold can be beaten into a sheet of 300 square feet! This thin sheet can become almost transparent, or have a greenish-blue tinge because gold strongly reflects red and yellow.
- Gold is a non-toxic metal, which means that gold metal flakes can be eaten in food or drinks.
- Gold is unreactive and can resist degradation by air or moisture. In fact, it is so unreactive that even acid cannot dissolve it. To dissolve gold, a special mixture of acids called aqua regia is used. This is the reason why gold never rusts or tarnishes.
- Gold is used in a variety of applications. While the most common applications include jewellery, coins, and bars, other applications include electronics, electrical wiring, dentistry, and radiation shielding. Gold is also used in window glass and astronaut helmets to reflect infrared rays, while allowing sunlight to pass through, and also keeping it cool.
- Gold is injected into the muscles of rheumatoid arthritis patients, where the success rate is 70%.
- The most expensive gold coin in the world is the 1933 Double Eagle, which was sold in New York in 2002 for $7.59 million.
- The melting point of gold is 2063°F.
- Gold is a great conductor of electricity.
- Pure gold can never cause skin irritation; so if you have a gold chain that causes irritation to your skin, you can be sure that it isn’t pure gold. And, when you want to make sure you are getting pure gold, you need to approach a reputed jewellery manufacturer. Aura Jewels is the most reliable customized gold jewellery shop in Bangalore where you can have the purest hallmarked gold used in designs that you would love to wear; may it be earrings, rings, necklaces, pendants, anklets, or anything else.