Block of Stillmetal
kindblockcreative tabFluxion: Materials
Currents
Alloy6
Still6What the Loupe reads: 12 in all. Wheel of Currents
In the Codex
Entry 
Stillmetal — The metal of things that do not change. Read a Still Grain or a Stillmetal Vein with the Loupe.
Where to get
Caches
The Founder's Hall vault, the Stillness