"Beautiful, isn't it?" - Precious to Fira about the gems
In the books
In Fira and the Full Moon, she first appeared when Fira asked Orren if they and the other mining fairies were still going on the expedition. Fira helped led them through the mine with light, but the later got stuck when her light went out. Sparkle, Helios, and Glory then came to help and led them all the way out.