Specs and dimensions:
Pendant shape Length: 13 mm
Width: 12mm
Bail fits a 2Lx4W mm chain.
Sterling silver is an alloy of silver containing 92.5% by weight of silver and 7.5% by weight of other metal, usually copper. The sterling silver standard has a minimum mellesimal fineness.
Purity of the gold nuggets range from 65 to 95 fine, or 16-.23 karat gold. Natural gold nuggets can have other mineral content such as silver and copper mixed in with it.