It's tungsten. It can be used for smelting.
Tungsten Ore is a mineable ore which yields tungsten bars when smelted at a furnace. Each ore can be refined into 15 pixels using a Refinery.
It is found on planets with Moderate (Tier 2) or Risky (Tier 3) threat levels.
It replaced steel as the tier 2 material in update Cheerful Giraffe.
It has a triangular cleavage.
|| /spawnitem tungstenore