{
	"feature": "minecraft:ore_blackstone",
	"placement": [
		{
			"type": "minecraft:count",
			"count": 12
		},
		{
			"type": "minecraft:in_square"
		},
		{
			"type": "minecraft:height_range",
			"height": {
				"type": "minecraft:uniform",
				"min_inclusive": {
					"above_bottom": 5
				},
				"max_inclusive": {
					"below_top": 5
				}
			}
		},
		{
			"type": "minecraft:biome"
		}
	]
}
