Sandstone is a kind of high quality natural stone without light pollution, but it is harmful to human body
No, the sandstone is radioactive. In general, the sandstone of sedimentary rock is much smaller than the natural granite.
Sandstone is a kind of light pollution, no radiation of high-quality natural stone, no radiation damage to the human body.
Sandstone, sound insulation, moisture absorption, anti - damage, outdoor weathering, water does not melt, not long moss, easy to clean, etc.. Advantages of sandstone:
