Asbestos Powder occasionally drops while harvesting Tin Forges if the Pioneer has the fourth stage of the Gem Mine build active. A single Asbestos Powder can be purchased from inside the Gem Mine Lava Gear Crafting Workbench for 6 Horseshoes.
The Asbestos Powder is used in constructing the following Building(s):
10 Lava Gear (requires 80 Asbestos Powder)
- Something's Rumblin'!, Part V of V is a Goal which requires the Pioneer to complete the fourth phase of the Gem Mine build.