to patination to Engagement Rings bring about a black surface color. Patination is a film that forms on the surface of a metal due to oxidation. Gold can be treated with oxygen and sulfur-containing compounds, such as liver of 14K Gold Chain sulfur, that cause a black patina to develop. Depending on the chemical process, patination can be a thin or dense film. Patination, men watches especially a.
to patination to Engagement Rings bring about a black surface color. Patination is a film that forms on the surface of a metal due to oxidation. Gold can be treated with oxygen and sulfur-containing compounds, such as liver of 14K Gold Chain sulfur, that cause a black patina to develop. Depending on the chemical process, patination can be a thin or dense film. Patination, men watches especially a.