By Edward Green IICRC inst http://www.marblemasteruk.com
A honed finish is a satin surface with relatively little light reflection. It is specified for floors, thresholds and other locations where presence of water might make a polished finish slippery, or where heavy traffic would wear off polished finish.
As a rule, honed finishes are more susceptible to soiling than polished finishes, because a honed surface is slightly more porous and absorptive than polished finish. However, honed finish is easier to restore because it will sustain harsher cleaning efforts.
Normal maintenance of honed finishes involves as-needed washing with clean water and mildly abrasive cleaners, which retain a pumice-type finish, while cleaners remove soils. There are thick liquid cleaners and chlorine-bleach type scouring powders commercially available.
The marble should be wet with clean, hot water. Then using a mildly abrasive alkaline cleaner and stiff bristle brush, wash in overlapping, swirling strokes. Suds can be left to stand for several minutes to permit bleaching agents to work on stains and dirts. Rinse thoroughly and dry with cotton, cotton flannel, burlap or chamois skin. Wipe well to avoid streaking.