What Makes Pink Tourmaline Unique Pink tourmaline, also known as rubellite, is one of the most popular colors of tourmaline. Its color ranges from light pink to deep magenta, and it is often found in granite and pegmatite rocks. Pink tourmaline is believed to have powerful healing properties, including the ability to promote love and emotional healing. It is also the birthstone for October, making it a popular choice for those born in that month.