Silver Grey Quartzite Slate Specifications: It is also known as Silver Grey Quartzite & Grey Slate. This stone is being used in form of flooring, wall cladding, countertops, paving etc. Due to its hardness, Silver Grey slate is popular choice to be used as wall cladding & flooring as well. We are supplier of Silver Grey Quartzite tiles with following specifications: Sizes : 30x30cm, 30x60cm, 40x40cm, 40x60cm & 60x60cm Thickness : 10-20mm/ 12mm Calibrated/ 15mm Calibrated Finish : Natural/cleft both sides/ Top Natural & Bottom Calibrated Machine cut edges Other sizes, thickness and finishes like honed, polished, calibrated can be supplied on customer request.