Organic Mixed Metals Steampunk Necklace - Industrial Evolution Collection - Steampunk Necklace -Organic Industrial Jewelry This organic mixed metals steampunk necklace has an industrial rustic appeal. It is perfect for everyday wear and is constructed from hand forged sterling silver and copper. All wire wrapping is done with sterling silver. The pendant is 1 and 1/2 inches around and comes on an oxidized sterling silver ball chain. Each necklace has a 2 inch extension.