What is another word for hearth-stone?
Pronunciation: [hˈɑːθstˈə͡ʊn] (IPA) 
Hearth-stones are stone materials that are used to construct fireplaces, hearths, and other similar structures. They are an essential part of any traditional fireplace design, and over time, many other words have emerged as synonyms for hearth-stones based on their shape and composition. Some of these include mantel, brick, stone, slab, and tile. Each term signifies a particular kind of hearth-stone, such as a mantel or a slab, based on its shape and style. Other synonyms include pebble, cobbles, and gravel, which are typically used in landscaping for designing fire pits or outdoor fireplaces. Whatever the context, the word hearth-stone continues to evoke images of warmth, comfort, and relaxation.
