Granite rock is light in color. which feature directly contributes to this color?
the process that forms granite
the amount of silica minerals in granite
the shape of the grains found in granite
the unique pattern formed by grains in granite

Right the amount of silica minerals in granite

The granite is a plutonic igneous rock, this means it was formed from a deep slow cooling in large masses of magma.  

This rock is essentially composed of silica in high quantities, alumina, sodium and potassium oxides, quartz, alkali feldspar, plagioclase and mica.

There are granites of different colors, depending on their chemical composition, although they are generally clear due to their high amount of silica.

5×^2+20-15 or -(5x^2-20+15)

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