It is fairly soft and easily worked.
Marble is a metamorphic limestone or dolostone.
In commercial terminology, a marble is any crystalline calcareous rock that will take a polish. The marbles mined in Arkansas are all unmetamorphosed limestones or dolostones. Marble is used primarily as a building and ornamental stone, in monuments, table tops, wash basins, statuary, and other decorative applications. Units Several types and grades of marble have been mined from quarries in Arkansas. The crystalline texture of Arkansas marbles varies from coarse to fine and the colors may range from light gray to black, tan to yellow to rust, and it may have one uniform color or several shades.