Arfal Living Jewels are beautiful crystalline life forms which attach themselves to the skin of another being. They are popularly sold in alien markets for their exquisiteness, although at least a few customers may feel aversion at the idea of having living beings attached to themselves.
- Valérian and Laureline:
- Empire of a Thousand Planets (1971)
- At the Edge of the Great Void (2004)
- The Inhabitants of the Sky: The Cosmic Atlas of Valérian and Laureline (1991)