More from Video Baird & Co. refines 99.99% pure gold. It goes through over 10 tons of gold a year. It makes cast bars, minted bars, and coins. The refinery also makes wedding rings and refines silver.

Kate Middleton and Meghan Markle both wear Welsh gold wedding rings, and the mine is offering gold for sale in a rare move. Find more about the royal connection.

Due to its soft nature, pure gold is usually blended with other metals like copper or silver to create stronger jewelry, giving variations in 18K, 14K, or 10K gold, which have a percentage of pure ...