{
  "ores": [
	"gregtech:gt.blockstones:0:250",
	"gregtech:gt.blockstones:8:250",
	"gregtech:gt.blockgranites:0:250",
	"gregtech:gt.blockgranites:8:250"
  ],
  "radius": 20,
  "cost": 775000,
  "focusItem": "minecraft:tnt"
}