I believe they're around 0.25 kg, of which only 0.006 kg is actually gold.
The Olympic gold medal is plated with six grams of pure gold. The medal is mostly silver (92.5%).
A round medal with an Olympic logo on it.
According to the official Olympics website the London 2012 Olympic medals weigh 375-400g, are 85mm in diameter and 7mm thick. The gold medal is made up of 92.5% silver and 1.34% gold, with the remainder copper (a minimum of 6g of gold).
Nigeria won her first Olympic gold medal in 1876
No not really the gold medal has 92.5% silver
There are hundreds of Olympic gold medal winners alive as of 2013.
The gold medal is 1.34% gold and 92.5% silver.
3 %
The Olympic gold medal is awarded for coming first in an Olympic event. It looks like a small golden circle.
they weigh approximately 20 grams without the piece of material that goes around their neck
The 2004 Olympic gold medal team was from Cuba. The 2008 Olympic gold medal game will be between Cuba and South Korea.
The Olympic gold medal must be coated with no less than 6 grams of 24-carat gold.