What are the Olympic gold medals made of?

The Olympic gold medal consists of 925 silver (containing 92.5% silver) and 6 grams of pure gold, and the ratio of silver to copper is the same, but the weight of the gold medal is about 500 grams after changing the specifications. In the production process, the metal is dissolved into a liquid state and then injected into the mold. After cooling, the gold medal will be polished, and details such as the Olympic rings logo and stadium scenery will be added to the surface.