The Company is mainly producing star stone .Make Gem stone more extravagant. An asterism is an optical phenomenon displayed by some rubies, sapphires, and other gems of an enhanced reflective area in the shape of a "star" on the surface of a cabochon cut from the stone. Star phenomenon display the property from Titanium dioxide impurities in them. The archetypal Asteria is generally corundum. The company use the Using high temperature and high pressure process to treating the stone. After the process the stone ingredient will out of natural phenomenon but keep the Titanium Dioxide to have the Starlight effect also elevate the hardness to 9 degree.