Brazier Briquette
Coal boiled down with Ember and Spark. It burns four times as long as coal — in a retort, a furnace or a forge.
kinditemcreative tabFluxion
Currents
Ember5
Spark2
Strata1What the Loupe reads: 8 in all. Wheel of Currents
In the Codex
Entry 
Distillation — A thing need not be dissolved — it can be distilled, and its currents rise on their own. Read fire with the Loupe.
Where to get
Caches
Tollkeepers' Kiln Camp: the reliquary rack, the Smolderwood
Tollkeepers' Kiln Camp: inside the great kiln, the Smolderwood