{
	"feature": "minecraft:blackstone_blobs",
	"placement": [
		{
			"type": "count",
			"count": 35
		},
		{
			"type": "minecraft:in_square"
		},
		{
			"type": "minecraft:height_range",
			"height": {
				"type": "minecraft:uniform",
				"min_inclusive": {
					"absolute": 0
				},
				"max_inclusive": {
					"absolute": 255
				}
			}
		},
		    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:matching_blocks",
        "offset": [
          0,
          0,
          0
        ],
        "blocks": [
          "minecraft:netherrack"
        ]
      }
    },
		{
			"type": "minecraft:biome"
		}
	]
}
