Adriana's ice rings were a system of rings that orbited the gas giant planet of Adriana. The rings consisted of ice which was mined and transported to the nearby desert world of Tatooine, where it was sold to the local inhabitants as their main source of water.
Sources
Star Wars Customizable Card Game — A New Hope Limited Card: Garouf Lafoe (backup link) (First mentioned)- Star Wars Encyclopedia
- A Guide to the Star Wars Universe, Third Edition, Revised and Expanded
- Secrets of Tatooine (First identified as Adriana's ice rings)
- The Official Star Wars Fact File 16 HUN 5-8: The Hunt for the Droids
- The Complete Star Wars Encyclopedia, Vol. I ("Adriana")
- The Official Star Wars Fact File Part 2 (2013) HUN 5-8: The Hunt for the Droids
- The Official Star Wars Fact File Part 2 (2014) 0 ABY 11-14: The Hunt for the Droids