Marble vs Granite: What Is the Difference between Granite and Marble?

In this article, we will try to shed light on the difference between marble and granite, two wonderful rocks. Both are natural stones, quarried directly from the earth, widely used for interior and exterior design of modern and rustic furniture, they are characterized by high strength, timeless beauty and versatility.

Although marble and granite share some basic similarities, they also have significant differences, what is the difference between marble and granite?

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Table of Contents

I. Geological difference

First, granite is a volcanic rock formed from molten magma that cooled slowly over time inside the Earth’s crust. This is why granite is mainly composed of silicates, has a grain structure and is harder and denser.

In contrast, marble is a metamorphic rock mainly composed of calcium carbonate, the result of the deposition of various substances on the seafloor, such as mud, shells, minerals and algae, which have undergone a transformation process over time to become a rock with a granular and crystalline structure. unique hardened material.

To simplify the difference between marble and granite, we can say that marble is formed in the ocean while granite is formed inside the crust of the earth.

II. Chemical difference

Due to its high silicate content, granite is tougher and more resistant to corrosion, especially against acids, scratches, abrasion and atmospheric agents. This is the main reason why granite is preferred for outdoor applications or where high traffic is expected.

However, working with granite is not easy at all, as it is difficult to cut and break, and in fact, costs more on average than marble.


III. Aesthetic difference

Perhaps the main difference between marble and granite lies in their aesthetic properties. On the one hand, granite has a particularly pronounced mottled effect, the color of which varies depending on the percentage of minerals (such as quartz, mica, feldspar, hornblende, etc.) contained in the stone.

Marble is unanimously considered more fascinating due to its irregular grain and variety of colors based on its inclusions.

IV. Appearance difference

Stones like marble and granite can look very different piece by piece due to the variety of minerals used to create color.

Granite is usually metamorphic or igneous in origin and has a grainy surface. Colors can be found across the entire spectrum, from barely visible textures and spots to pure black.

Granite has a dense grainy appearance with solid colors, dots or lines. In each granite slab, light and dark colors come together in their own unique way.

Both metamorphic and sedimentary marble have polished veined surfaces. Quartz or serpentine can be used to make marble. There is a preconceived notion that marble is only black and white.

Calcite is the main mineral in metamorphic and sedimentary marble. To make those green “marbles,” serpentine is the material of choice. Marble is smoother and has smaller grains than granite. Like granite, marble can vary in surface color from white to black.


V. Heat resistance difference

A natural gemstone that does not melt at high temperatures. Both granite and marble require volcanic activity and high temperature and pressure to form. Neither material will tarnish when placed near a hot stove or oven. Be careful when handling hot pots, even if they are made of stone.

VI. Durability difference

The composition of the stone gives it the properties of longevity. Soft, porous calcite is used to make marble. Because of this, marble is more prone to stains, etching and loss of finish. To hide etchings on marble surfaces, a honed or matte finish is recommended. Marble can be composed of materials other than calcite. Unlike white marble, green serpentine marble is not easy to corrode, but it will peel off when exposed to water. Some quartzites are incorrectly labeled as marble, but they are harder and more durable than real marble.

How long a piece of granite lasts depends on its exact composition. Absolute Black is an example of igneous granite, or gabbro, which means it is non-porous and resistant to scratches and etch. In general, dark granite is not affected by etching and staining. Some light-colored granites are actually metamorphic dolomites. These may cause fraying or staining.

The only downside to granite and marble is that it needs to be sealed annually to prevent water damage. While granite and marble can withstand high temperatures, be careful not to place hot cookware directly on the surface. Granite’s durability makes it superior to marble in this regard.


VII. Maintenance difference

All natural stone requires maintenance. Every piece of granite and marble is unique. Granite requires less maintenance than marble.

Like all porous stones, marble requires periodic sealing. Marble is notoriously difficult to remove stains, even after sealing. Never leave spills unattended and never leave acids like lemon juice, ketchup or red wine on the counter. To avoid etching, marble should be cleaned with a pH-neutral product. The difference between this and granite is that it needs to be resealed every three months.

Scratches and chips can be fixed with stone epoxy. Sealers developed for porous stone are the best option for protecting marble. Marble can get stained even when sealed, so it’s important to wipe off accidental accidents. Marble can be corroded by acids such as ketchup, lemon juice, and citrus.

Seal all granite after installation, except black. Water beads on the stone because it is well sealed. If the stone stops beading, it should be resealed. Always use a pH-neutral cleaner to protect the finish and avoid etching by wiping up spills as soon as possible.

Homeowners should pay attention to any signs of wear, as different types of natural stone countertops require different levels of care. Granite offers many advantages over marble such as stain resistance, long life and low maintenance. Granite needs to be sealed after installation so that water beads up. Annual resealing of the surface is recommended to keep it in good condition.


We hope that after reading this article, you will have a deep understanding of the many differences between marble and granite. If you have any other questions about stone, please feel free to contact us!

*If you want to know more about Granite, please click this: What Do You Need to Know about Granite?

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