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Granite, because it is composed of various and different quantities of minerals, does not have a specific formula. However, granite is composed mainly of the minerals potassium feldspar, quartz, hornblende, and micas, which are in turn composed of varying amounts of the elements silicon, oxygen, aluminum, calcium, iron, magnesium, manganese, and titanium.

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14y ago
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13y ago

Because gneiss can be composed of so many different materials (though micas and platy minerals won't be included, as well as some others), there is no chemical formula for it.

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12y ago

Granite is itself a chemical,Therefore its chemical name is,well,granite.

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6y ago

Granite is formed from feldspar, quartz, mica and silicates.

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11y ago

SiO2

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Q: What is chemical-makeup of granite?
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