If you thought gold, platinum and silver to be the only expensive precious metals in the world, then you were missing on something! When it comes to jewellery gold, silver and platinum comes to our mind. And when we talk about investments and trading, then gold and silver bullion pops up. But there are more metals, which are expensive, due rarity or costly extraction methods. Here we have compiled a list of top most valuable metals to add to your knowledge.
Rhodium
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| Source: en.wikipedia.org |
Silvery coloured Rhodium is rarer than gold and this makes it one of the most expensive metals in the world. Due to its reflective properties, Rhodium plating is done on Gold jewellery. Also, it is used in making mirrors and searchlights. It is corrosion resistant and has high melting point. This is the reason for its usage in the industrial application, including automotive industry.
Gold
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| Source: bullionforless.co.uk |
Gold has been the most popular metal in the world since centuries. Its yellow colour, shine and malleability have resulted in its usage in the making of the jewellery. Considered as the safest option for investment, gold bullion bars and coins have always been the favourite of the investors. Because of its high conductivity, it is used in electronics. There was a time when gold coins were used as currency. If grow your investment portfolio, buy gold online.
Ruthenium
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| Source: rwmmint.com |
Ruthenium is another rare metal and its rarity makes it precious. It belongs to the platinum group of metals in the periodic table. The metal is hard and durable and hence used as an alloy to improve the hardness of other metals. It is mostly used in the electronics industry.
Platinum
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| Source: waikoloaministries.org |
The most versatile metal that finds its use in many industries is platinum. After gold and silver, platinum jewellery is pretty popular. With its silvery shine, no wonder, its name came from Spanish word platino which means 'little silver'. Being the highly malleable, non-corrosive and resistant metal it is used not only in the jewellery making but also in aeronautics, dentistry and weaponry.
Iridium
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| Source: wikimedia.org |
Processed from platinum ore or results as a by-product of nickel mining, Iridium is also valuable metal. Being the member of the Platinum group, it is used to harden platinum alloys. Its extremely high melting point and corrosion resistance makes it useful in various industries including electronics, automotive and medicine. It's used in the making of pen tips, jewellery, watches and compasses.
