Gold is tarnish-resistant and does not oxidize, whereas silver oxidizes easily.While we’re on the subject of malleability, gold is the most malleable of the precious metals.999, fine silver is 99.9% pure silver, although this is hardly ever used in jewelry due to its high level of malleability. There is also Argentium silver, a relatively recently patented alloy of mostly silver with a bit of copper and metalloid germanium (93.5% silver, 5.5% copper, 1% germanium,), making it tarnish-free but also more expensive than sterling silver. Britannia silver is a type of sterling silver that originated in the UK, with a slightly lower amount of copper than traditional sterling silver (95.84% silver and 4.16% copper). Of course, sterling silver isn’t the only type of silver used in wearable pieces, as different types of jewelry can incorporate more valuable grades of silver.The addition of copper to the metal alloy makes silver pieces more durable than gold ones, but it also makes them more prone to tarnishing. When it comes to silver, the industry standard is sterling silver, which is an alloy of 92.5% silver with 7.5% copper and is generally indicated as. Similarly, silver jewelry comes in various grades that indicate its level of purity.
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