... or plus 1mm Color Black, white, green, yellow, red, brown, grey, or customers required Polishing degree Above 80 ... Neoproterozoic to Cambrian (~650-500 million years) charnockite has large, dark-greenish feldspars, black pyroxene, and some quartz. Advantage ... flamed, bush hammered, etc. We could produce granite flooring tile, slab, wall tile, paving stone, countertop, vanity top, kerbstone, cube stone ...