... the fully closed regular intervals. 2) Colour: Various white gold(golden on pure silver) 3) It can be used in ... lustrous color. 2) Colour: Hundreds of colours, such as silver, gold, brown, blue, green, pink, purple, red, orange, black, rainbow/pearl, multi ... lustrous color. 2) Colour: Hundreds of colours, such as silver, gold, brown, blue, green, pink, purple, red, orange, black, rainbow/pearl, multi ...