- Blackreach – about seven can be found in here
- Found in Rebel's Cairn.
- Found in Tolvald's Cave.
- On the side of Honeyside in Riften.
- About forty may be found in Chillwind Depths, near Cliffside Retreat in The Reach.
- Nine pieces in the Lost Prospect Mine.
- Two in Dawnstar Sanctuary, in the poison garden in the Alchemy Lab.
|Damage Magicka||Fortify Lockpicking||Fear||Regenerate Health|
† multiple effects