A sterling silver and 18ct gold mounted bird of prey and serpent on a cassiterite rock crystal specimen sculpted by Mike Hammond, 4.53 in. high
- Sterling Silver - Sterling silver is a mixture of 92.5% pure silver and 7.5% of another metal, usually copper. Fine silver is 99.9% pure silver, and is relatively soft and the addition of the very small amount of copper gives the metal enough strength and hardness to be worked into jewellery, decorative and household objects.
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