Granite is roughly twice as hard as marble and far less porous — but marble is the one people actually want. Granite sits at 6–7 on the Mohs hardness scale; marble at 3–4. Granite’s tightly interlocked crystals resist liquid; marble’s softer, more open structure absorbs it. And because marble is calcium carbonate, it reacts chemically with acid: wine, lemon, vinegar, tomato and many cleaning products will dull a polished surface on contact, which is etching rather than staining and cannot be wiped off. If your table takes daily meals and you want to stop thinking about it, granite. If you want the veining and will accept the upkeep, marble.
The numbers that decide it
| Mohs 3–4 | Marble — scratches from cutlery, keys, ceramic bases |
| Mohs 6–7 | Granite — roughly double the scratch resistance |
| Calcium carbonate | What makes marble react to acid; granite does not |
| Both porous | But granite far less so — marble stains most readily |
| Etching ≠ staining | Acid dissolves the polish itself; no cleaner reverses it |
Marble vs granite, side by side
| Marble | Granite | |
|---|---|---|
| Rock type | Metamorphic limestone | Igneous, cooled magma |
| Mohs hardness | 3–4 | 6–7 |
| Reacts to acid | Yes — etches on contact | No |
| Porosity | High | Low |
| Sealing | Regularly | Occasionally |
| Heat | Tolerates it, but can mark | More heat-resistant |
| Pattern | Soft veining, unique per slab | Speckled, busier |
| Best for | Looks, low-traffic surfaces | Kitchens and hard daily use |
Why hardness matters more on a table than a countertop
A kitchen worktop takes knives and pans. A dining table takes plates dragged across it, ceramic bases, keys, laptops and children. The wear is lighter but far more constant, and it lands in the middle of the surface where you see it.
At Mohs 3–4, marble is softer than a steel knife and roughly the hardness of a fingernail’s upper range. Granite at 6–7 is harder than most things that will touch it. That is the practical difference: marble records its history, granite does not.
Etching is the thing nobody warns you about
Staining and etching are different problems and only one is fixable. A stain is liquid absorbed into the stone, which a poultice can often draw out. Etching is the acid dissolving the polished surface itself, leaving a dull mark that no cleaner will lift.
Marble etches because it is calcium carbonate. A glass of wine, a squeezed lemon, a splash of vinegar or a spilled fizzy drink will do it, and so will a number of ordinary kitchen cleaners. Granite does not have this problem.
Every marble owner eventually decides one of two things: seal religiously and use coasters, or accept the marks as patina. Both are valid. Not knowing in advance is what causes regret.
When marble is still the right answer
Marble’s veining is unique to each slab, formed over geological time. Granite’s speckle is attractive but reads as busier, and it repeats more visibly across a room.
For a coffee table, a console, or a dining table in a household that uses coasters, marble’s downsides are manageable and the look is the reason to buy it. For a table that gets eaten at three times a day by a family, granite or an engineered surface will look better in five years.
Frequently asked questions
Is granite harder than marble?
Yes, substantially. Granite scores 6–7 on the Mohs hardness scale against marble’s 3–4 — roughly twice the scratch resistance.
Does marble stain more than granite?
Yes. Marble is the most porous of the common stone surfaces and absorbs liquid more readily. Granite’s tightly interlocked crystal structure limits penetration.
Can you put a hot pan on marble?
Marble handles heat better than any resin-bound surface, but hot pans can still mark it. Granite is the more heat-resistant of the two. Use a trivet on both.
Why does my marble have dull patches?
That is etching, not staining. Acid — wine, citrus, vinegar, some cleaners — has dissolved the polished surface. It needs re-polishing rather than cleaning.
Which needs sealing more often?
Marble, and noticeably so. Granite needs occasional sealing; marble needs it regularly to stand any chance against spills.
Sources
- Marble.com — which lasts longer, marble or granite
- All American Granite — stone hardness ratings explained
- AP Marble & Granite — hardness of countertop materials
- Chowhound — quartz, marble and granite durability compared
Choosing between surfaces is the first decision of several. The full picture, including which piece to buy and how to care for it, is in Marble Furniture: The Complete Buyer’s Guide.