Black titanium gold is different from black gold sand. Black titanium gold is a high-tech material, which is made of titanium alloy through special treatment. It has both the luster and strength of metal and the portability and corrosion resistance of titanium alloy. Black titanium gold is used to make high-end watches, jewelry, mobile phone cases and other products. Black gold sand is a kind of ore, and its main component is iron oxide. The color is black, with a unique metallic luster. Black gold sand is often used as decorative materials, such as sandstone carving and building walls.