Soul Gems are used for enchanting weapons and armor at an Arcane Enchanter or recharging previously enchanted weapons. After using a soul gem (with the exclusion of Azura's Star and The Black Star) it is destroyed.
- Filled and empty soul gems can be purchased from general goods merchants, Court Wizards, and some members of the College of Winterhold.
- Arch-Mage's Quarters at the College of Winterhold.
- Can be looted from Dwarven automatons.
- Can be looted from slain mages.
- Can be mined from Geode Veins in Blackreach.
- 18 petty souls can be captured in a short stretch along the banks of the White River, starting east of Battle-Born Farm, and ending east of Graywinter Watch (well before Valtheim Towers). Enemies include 1 sabre cat (on a small island), 15 mudcrabs, and 2 slaughterfish.