... Radiation 3.Best Price 4.Color: White,Black,Pink,Red,Yellow,etc. Black Quartz Slab 1. Product Information Custom size3250 ... 30mm, or other customized thickness.Surface finishPolished, honed,etcColorRed,Black,White,Pink,Yellow,etc.UsageCountertop,Table Top,Kitchen Top 2 ... StoneQuartz stone are the components of natural quartz stone and resin, not include radioactive material. And the whole production ...