Limestone. Hand antique finish.
Slabs vary in texture and fossil,, veining and color consistency.
Light scratching will occur with exposure to abrasives. Finish will patina or dull over time as a result of exposure. Avoid all acids. To reduce the appearance of stains, always wipe up spills immediately. Oil and highly-pigmented liquids can penetrate and stain the stone and may need poultice to remove the stain.
Shown on 184 Dresser.