Tourmalinated Quartz or Black Rutilated Quartz Gemstone is basically rock crystal quartz which contain rutiles as inclusions. The chemical composition of rutile is titanium oxide. The needle like rutiles form beautiful and unique matrices, because of which they are sometimes called as 'Venus hair' or 'Angel hair'.
Rutilated Quartz is another healing stone and is believed to aid in dealing with depression and loneliness at the same time enhancing creativity, potency and self-healing.