ground polish - facing of stone or marble with the irregularities eleminated, shows only fine st reaks hardly visible to the naked eye. Bossaged - rough split facing whose central part prodrudes above the arrises. Bush Hammered - facing with regular contiguous hollows, 1 to 3 mm wide and deep, arranged in grid pattern. Tooled - flat facing composed of fine parallel streaks 1 to 2 mm deep between which the ridge has a rough split texture.