{
	"format_version": "1.17.0",
	"minecraft:ore_feature": {
		"description": {
			"identifier": "guardian:fossil_nautilus_feature_mcstructure"
		},
		"count": 4,
		"replace_rules": [
			{
				"places_block": {
					"name": "guardian:fossil_nautilus",
					"states": {}
				},
				"may_replace": [
					{
						"name": "minecraft:stone"
					}
				]
			}
		]
	}
}