Compared with nature stone,the radiation of quartz is negligible. Heat resistant. Widely used in decoration projects. 1)Product Name: Quartz Stone2)Color No.: III-WS9082Quartz Stone is 93% crushed quartz, one of nature's hardest minerals. The quartz is combined with high-quality,polymer,resins and pigments and then compacted under intence vibration,vacuum,and pressure into dense,non-porous slabs. ...