Marble is more sensitive of a stone than granite so in general a marble cleaner will be safe to use on both the marble and granite portions of your grandmother s stone.
White marble supplements to go on a black granite tombstone.
If there is growth remove using a wooden scraper.
Mix one cup of ammonia with one gallon of water if marks are still visible.
Granite is a good start as is sandstone because they are rich in more stable minerals like quartz and orthoclase a potassium rich feldspar.
Repeat this process approximately every 18 months.
Cleaning more frequently can weaken the marble.
Brush the remaining half of the ammonia mixture into the stone if necessary.
However physical weathering can hit them hard.
If you are looking specifically for a bright white colored memorial marble may be the best option for you as granite does not naturally occur in a pure white color.
Use care to not damage the stone.
Pour half of the mixture over the stains and use a soft bristled brush to clean the stains away.
Granite can be found in a variety of colors including shades of black gray red pink brown green and blue.
Pre wet the stone with clean water.
3 comments on marble vs.
Marble needs to be treated even more gently than granite.