... fix thickness,grind and polish.4. 93% content of quartz stone ensures its hard and compact structure with excellent even ... .6. FASA Stone(engineering stone) is widely used for quartz countertops, quartz tiles,solid surface,man-made stone,floor, wall, bathroom, windows, ... more than 50 are available10. Characteristic of our FASA Stone(quartz slab):(1) Super hardness, resistant to scratch and abrasion(2 ...