Medal Specification :
Weight : 375-400g
Diameter : 85mm
Thickness : 7mm
Composition of Olympics Medals
- The gold medal : 92.5% silver and 1.34% gold, with the remainder copper (a minimum of 6g of gold).
- The silver medal : 92.5% silver, with the remainder copper.
- The bronze medal is : 97.0% copper, 2.5% zinc and 0.5% tin.
*source from London Olympic Official Website
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