Clean gold bars Gold doesn't corrode or tarnish, so it will stay shiny forever. However, don't store gold with silver or any tarnished metal, as it can cause damage. Regardless of which gold or silver ingot you decide to buy, you run the risk of the metal corroding and being affected by the outside environment. However, decay is something that many people think about when it comes to precious metals.
The final question is whether silver and gold deteriorate. To put it another way, no. Nor do gold and silver decay in the sense that they rot or wither. Turk says that another problem with storing gold at home is the illiquidity factor.
While gold alloys can break down into substances such as chlorine, this is mainly due to the other metals alloyed with gold. The experienced professionals at First National Bullion, the gold dealer of choice for Carlsbad precious metals collectors, explain why gold is such a durable material. It is done in part to give less pure gold coins or gold jewelry items more strength, resistance to deformation or possible breakage. Although many people are concerned that their gold will deteriorate, the reality is that gold is a remarkably resilient metal.
For example, the world's most popular gold bullion coin is the 22-carat American Gold Eagle coin from the United States Mint. Most fine gold jewelers recommend a little warm water, a little Dawn dish soap, a few drops of ammonia, and a soft brush to safely clean non-fine gold jewelry. No gold is destroyed by toning or tarnishing, and the reflection of impure gold coins will not fade as drastically as pure silver coins usually do. Often, the tone or slight tarnish of gold coins increases the value of rare and collectible gold coins among the rare coin collector community.