{
    "variants": {
        "": [
            { "model": "block/netherrack"   },
			{ "model": "block/netherrack_1" },
			{ "model": "block/netherrack_2" },		
			{ "model": "block/netherrack_3" },
			{ "model": "block/netherrack_4" }
        ]
    }
}
