Cofh

{
	"populate": {
		"sulfur": {
			"distribution": "underfluid",
			"gen-fluid": "lava",
			"generator": {
				"block": "brick_block",
				"material": [
					{"name": "stone", "metadata": 0},
					{"name": "stone", "metadata": 1},
					{"name": "stone", "metadata": 3},
					{"name": "stone", "metadata": 5}
					],
				"cluster-size": 5
			},
			"cluster-count": 2,
			"min-height": 0,
			"max-height": 255,
			"retrogen": "false",
			"biome": "all",
			"dimension": {
				"restriction": "blacklist",
				"value": [
					-1,
					1
				]
			}
		}
	}
}