Benefits of Black Rutile Rings for Emotional Healing and a Cleaning and Maintenance Guide Did you know that the rutile crystals become caught during the high-temperature crystallization of quartz, forming the black needles in black rutile over millions of years? When you wear any black rutile jewelry, such as a black rutile ring, you are wearing a piece of history that originated in the Paleozoic Era, according to mineralogists who believe that some specimens date back more than 400 million years.