Heavy relief, hand cut (chiseled) finish.
Natural grain split, produced by hydraulics or wedges and shims.
Dull, smooth finish created by wire or diamond saw, may show blade marks.
Slightly pebbled, non-skid finish produced by the application of high temperature flame.
Is a split face step with the edges rounded over (non-uniformed 1/2" - 1" radius), and thermalled to blend the flat top into the split sides. Step will look somewhat "weathered".
Mirror gloss finish, achieved by rubbing the stone with a series of abrasives.
Slightly textured, produced with abrasives under high pressure.