Slate is a fine-grained homogeneous metamorphic rock derived from original Shale type rock composed of clay or volcanic ash. When expertly cut many shales will form smooth flat sheets of stone with today you can see on the roof, on floor tiles, and other purposes. It is usually grays, browns rest-like but can also be shades of purple or green.
People like the fact that no two pieces are alike and its beauty can find it in kitchens, baths walkways and entrys.
- clean again with a pH neutral cleaner and wipe it down with a soft cloth
- Because it is a harder stone it can be brought up to a nice shiny surface with buffing and sealing