Black Fireplace

Obtaining
You first have to unlock the crafting recipe with shards obtained by harvesting plants in the garden before you can make it.

You won't be able to use it in any mode even creative before it is unlocked.

After you have unlocked it with shards you can craft it with Stone Brick *5 & Larch Board *3

Also once unlocked it will be available in all modes of the game.

Usage
It is just a different looking Smelting Furnace.