Black coating uses either ruthenium or TIN cobalt black to give a piece of jewelry a light black or completely black appearance. It is very durable and resistant to scratches. Black plating gives the jewelry piece a sense of masculinity and high-tech.
Brushed is a process of using quartz sand to polish a chosen metal (gold, stainless steel, etc.) under high pressure. This finish is an effective method for removing surface imperfections. In addition, it gives a pattern of fine lines parallel to the brushing direction that creates a distinctive look for jewelry.