Quartz Stone floor tile 1. color: black,brown, white, red, beige, blue ... . 12mm, 15mm, 18mm, 20mm, 25mm, 30mm 3. best quality Quartz Stone is the most consistent material for kitchen countertop, bathroom vanity ... and etc. These are the most important facts for Quartz Stone to be a market trend: Super hardness, resistant to scratch ...