What is Black Rutile Gemstone?

Black Rutile Jewelry, which is a dark, intense gemstone, is made up of quartz. Within the quartz crystal, it contains rutile needles that are black in color. Rutile is generally composed of titanium dioxide and it often reflects within the quartz crystal. The rutile needles are basically inclusions in the quartz crystal. Black rutile is also known as black rutilated quartz.