The planet Hagal was known as the "Jewel Planet" in the Dune universe. It was a star in the system II Theta Shaowei. During the time Shaddam I was the Padishah Emperor, Hagal was completely mined out.
Jewels of Hagal Edit
- Opafire, one of the rare opaline jewels of the planet; The Baron Harkonnen had an outfit lined with opafires.
- Quartz, pieces of bule-green translucency shot through with streaks of yellow fire; The Emperor Shaddam IV's throne was made of Hagal quartz.
- Hagar Emerald, a large green piece of emerald; Emperor Paul Atreides' throne was made of a piece of emerald.