The crafting-recipe for Lumite Chairs has to unlocked first by taking/crafting an Diamond Chair for the first time (which is unlocked by taking/crafting an Iron Chair). To craft 1 Lumite Chair, you'll need (as of R29 in March 2016): * 1 Glob of Goo made from Mold in a Processor or looted/harvested from many creatures including Pigsies * 4 Lumite Rods made of Lumite (bars) in a Processor * 2 Lumite Slabs made of Lumite (bars) in a Processor To pick up a Lumite Chair, you will need to equip an Iron Mining Cell or better.