What Scratches Natural Stone?
Something harder than the actual stone would need to scratch it. For example, a piece of granite or marble would scratch a piece of soapstone. But, soapstone would not scratch your marble or your granite. A copper penny with a hardness of 3.5 on MOH’s scale of relative hardness will scratch soapstone, may scratch marble, but it won’t scratch granite. A Few More Examples… Softer stones can be scratched from foot traffic. Dirt, sand, and grit from your shoes are an abrasive to stone flooring. This is why it is recommended to use rugs or mats near entry ways and to dust mop frequently. Sanded grouts are capable of scratching softer natural stones. Dragging furniture across your floor may scratch it. Try to lift, not drag your furniture. Softer stone countertop materials such as marble and soapstone may be scratched from toys, cutting on them, or tossing your keys across them. Granite is a much harder stone and more resistant to scratching. It does not scratch easily. According to Freder
