Luminous Love: Discover the Power of Sugilite Jewelry for Deeper Connections Hearing a "purple crystal" usually pops up the images of amethyst or iolite in our minds, but Sugilite is a new addition to this list. A rare and elegant pink to purple-magenta gemstone with glassy luster and sheen, it makes classy Sugilite Jewelry for gem admirers. Keeping this nurturing gemstone nearby promotes healthy relationships and fosters physical, mental, and spiritual well-being.