Granite
Granite is an igneous rock, which means that it was formed of the magma deep within the earth, that is very hard and durable. Granite can come in many colors and can resemble marble with natural veins and clouds.
Marble
Marble is a metamorphic rock, which means that it was formed over million of years ago from another rock. Marble is cool to the touch and much softer than granite. It is etched and stained very easily unless it is sealed. But because of its coolness, marble is the ideal surface for making pastry. The colors of marble can range from pure white to black.
Quartz
Quartz is a mineral, an engineered stone, while marble and granite are rocks. The main difference is that engineered quartz stone doesn't need to be sealed, as does porous granite or marble. It resists scratches, can tolerate hot pots and pans and is resistant to etching by such acidic liquids as citrus juice or wine.
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