The color of granite depends on its components, usually presenting red, pink, gray, white, black, and other dark colors. If granite contains much potash feldspar, it will be pink; if it contains much quartz, it may appear white. Quartz-typically milky white Feldspar- typically off-white Potash feldspar- typically pink Biotite- typically black or dark brown Muscovite- typically gold or yellow Amphibole - typically black or dark green