The artificial synthesis of hematite in granite can turn the color of common ligh-colored granite from grey or yellowish pink to red, which is of some significance in raising the utilization coefficient of common granite.

• 通过在花岗岩中人工合成赤铁矿，可使普通浅色（灰白、浅肉红色）花岗岩改变为红色，对提高普通花岗岩的利用率有一定意义。