Difference Between Granite And Marble

The word “granite” comes from the Latin granum, a grain, about the coarse-grained structure of this rock. Strictly speaking, granite is an igneous rock with at least 20% quartz and up to 65% alkali feldspar by volume.

However, in commercial and general usage, “granite” typically refers to a wider range of coarse-grained igneous rocks containing quartz.

ceramic dish on shelf

The word “marble” derives from the Greek marmaros, meaning “shining stone.” Marble is a metamorphic rock that forms when limestone is subjected to high pressure or heat. Over time, the calcite in the limestone recrystallizes into a rock that is much harder than the original limestone.

Marble and granite are two popular choices for countertops, flooring, and other home decors. Though both materials are beautiful and durable, there are some key differences between them. 

Here are 15 aspects to consider when deciding between marble and granite:

1. Composition: 

Granite is made of igneous rock that has been cooled and formed over millions of years. Marble is composed of sedimentary limestone that has been transformed by heat and pressure over time.

2. Color: 

Granite typically has a more consistent colour throughout the stone, while marble can have veining or other patterns that give it a unique look.

3. Durability: 

Both granite and marble are quite durable, but granite is typically more resistant to scratches and staining.

4. Maintenance: 

Granite requires little maintenance beyond regular cleaning and sealing. Marble needs to be sealed regularly and special care must be taken to avoid damaging it.

5. Heat Resistance: 

Granite can withstand high temperatures without being damaged, making it ideal for use in kitchens and fireplaces. Marble is not as heat resistant and can be damaged by prolonged exposure to heat sources.

6. Acid Resistance: 

Granite is resistant to acids, while marble can be etched by acidic substances.

7. Price: 

Granite is typically more expensive than marble, but the price difference can vary depending on the quality of the stone.

8. Availability: 

Granite is more widely available than marble, but both materials are sourced from around the world.

9. Installation: 

Both granite and marble require professional installation, but granite is typically more difficult to install.

10. Weight: 

Granite is a heavier material than marble, which can be important to consider for some home projects.

11. Appearance:

Another key difference between granite and marble is their appearance. Granite is typically a darker stone with subtle flecks of colour, while marble is lighter and often has veining or patterns running through it. 

This difference in appearance is due to the way the stones are formed: granite is formed from molten lava that has cooled slowly over time, while marble forms from sediment that has been compressed over time.

12. Pattern: 

Granite typically has a more consistent pattern than marble, which can vary greatly in veining and colouration.

13. Environmental Impact: 

Because granite requires mining and quarrying, it has a greater environmental impact than marble.

14. Location: 

Granite is found all over the world, but marble is primarily sourced from Italy, Spain, and Greece.

15. Hardness:

Granite has a Mohs hardness of 6-7, making it one of the hardest natural stones. Marble has a Mohs hardness of 3, making it softer than granite.

So, which one is right for you? Ultimately, the decision comes down to personal preference and your project requirements. Both materials are beautiful and durable, but there are some key differences between them. 

If you need a hard-wearing countertop that can resist heat and scratches, granite may be the better choice. But if you love the unique look of marble and are willing to take care of it, then marble could be the right material for you.

If you need help deciding which material is right for your home, contact a professional stone supplier or installer.

Read more related articles here at marble granite

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