The easiest way to tell if something is real gold or gold plate is by holding a magnet up to the piece and waiting for the metal inside the piece to attract to it. If the piece is gold-plated, it is instantly connected to the magnet. If the piece is solid gold, it does not connect.Continue Reading
It is also possible to determine whether a piece of gold is real or gold plate by checking the piece for a manufacturer's hallmark and karat stamp. If the item is missing the stamp, it is most likely gold-plated. The difference between solid gold and gold plating is simple. Solid gold is gold in its purest form, and gold plate is a light coating of gold over metal. Gold-plated jewelry is often made with silver or copper and tends to leave a greenish stain on the skin. Gold-plated jewelry also produces a powdery gold substance as time wears on and the gold-plated coating begins to deteriorate.
Gold-plated jewelry is quite popular due to the fact that it resembles pure gold and is an affordable alternative, but the main problem with gold-plated jewelry is that it does not last long, and once the jewelry has lost its luster, there is no way to restore it.Learn more about Precious Metals & Gems
To date gold, it is necessary to check the hallmark on the piece of jewelry or gold item. The date is shown by a letter in the hallmark, so some research is needed in order to link the letter to a date. A cleaning cloth and a magnifying glass are needed to undertake the dating process.Full Answer >
A "925" stamp on a piece of gold jewelry usually has no relationship with the gold but with the silver underneath. A "925" stamp on silver denotes a 925/1000 part purity, or a sample of silver that's 92.5 percent pure.Full Answer >
One method of separating gold from other metals, something commonly done with household electronics, involves using a tilting furnace to create a liquid metal mixture known as "slag." This slag is then heated, and the gold separates from other metals by dissolving away from it.Full Answer >
The easiest way for potential buyers to tell if a piece is true platinum is to perform a bite test similar to that which would be performed with gold. Unlike gold, if there are bite marks in the metal it is not true platinum.Full Answer >