... size acceptcolor: black, yellow quartzite P014, rusty S1120, green, greysurface finish: natural, honed, brushed3. Step/Stairs:thickness— ... requiredcolor: black, yellow quartzite P014, rusty S1120, green, greysurface finish: natural, honed, brushed, edge machine ... you requiredcolor: black, yellow quartzite P014, rusty S1120, green, greysurface finish: natural, honed, brushed5. Slate Roofing:thickness ...