floor slate tile 1.it's rusty color,glaring and it is little rough surface and durable. 2.Character:acid-resistant, low in Ca flooring slate:Low Ca with high quality,non-fading.optional color: black, green, grey, rusty etccommon size: 600X450X5-7,6-8,8-10mm600X300X5-7,6-8,8-10mm500X250X5-7,6-8,8-10mm500X375X5-7,6-8,8-10mm400X250X5-7,6-8mm400X200X5-7,6-8mm300X200X5-7,6-8mm-As a specialized ...