... of nature's hardest minerals. 1)Product Name: Quartz Stone Countertop2)Color No.: II-WS2001Size:1) 3,000 x ... 1,200 x 12mm 2) 3,000 x 1,200 x 20mm 3) 3,000 ... 30mmQuartz Surface Stone is 93% crushed quartz, one of nature's hardest minerals. The quartz is combined with high-quality,polymer,resins ... to precise thickness and polished to an enduring shine. Quartz Stone Countertop