Black Rutile Pendants - A Perfect Blend Of Beauty Black or dark brown rutile is often seen in black rutilated quartz, a form of quartz gemstone with needle-like rutile insertions. It is a special gemstone renowned for its intriguing look and mystical attributes. When rutile needles become stuck inside quartz as the gemstone is being produced, black rutile results. Beautiful patterns with different intensities, densities, and distributions result from these insertions. Black rutile is quite robust and ideal for numerous forms of black rutile jewelry such as black rutile pendants thanks to its Mohs hardness grade of 7. It is said that black rutile pendants have a variety of potent energies and offer the user a number of advantages.