What are the 2 characteristics of an igneous rock?
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Characteristics of Igneous Rocks
The igneous form of rocks does not include any fossil deposits. ...
Most of the igneous forms include more than one mineral deposit.
They can be either glassy or coarse.
These usually do not react with acids
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Felsic igneous rocks, as a whole rock, tend to have light colors or shades: white, pink, light brown, light gray. Mafic igneous rocks, on the whole, tend to be dark colored, commonly black or dark gray. Most mafic magma originates by melting of rocks in the mantle that are extremely rich in iron and magnesium.
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