... G3576 is its code in Unified catalogue for natural stone of China . So it's classify as a ... need pre or after protection , and a rare stone in China , we are the legal and ... Porosity:0.12%Polish degree100Radiation Intensity Grade A granite block price No water , No oil absorption ,neither be ... of the 10 candidate stones for “Chinese Famous National Stone” ,Jade ingredients , non-renewable ,one of the ...