material type vein cut travertine linear marble base color soft warm light grey secondary tones taupe beige charcoal grey off white pattern strong vertical linear veining with layered striations vein character organic flowing bands with occasional porous clusters and mineral deposits texture honed or matte finish appearance subtle surface variation movement directional continuous vertical flow contrast level medium defined darker grey bands against lighter base overall feel natural earthy contemporary calming scale medium to large linear patterning suitable for full slab wall applications