Marble Natural stone, which is, recrystalized limestone, which is both durable and beautiful.
Marble can stand heavy use but can be stained or scratched.
It is also brittle and must be handles carefully during installation. Dark marble is harder than light or white marble. More commonly used for fireplace mantels, counter tops or as flooring, it can also be used on the exterior of a building. A constant amount added to the value of the index for the purpose of adjusting the interest rate on an adjustable rate mortgage. Percentage added to the index of a loan and fixed for the life of that loan.