There’s a boom in U.S. production of quartz surfaces; and, the market went way down and way UP for natural stone in 2020.
The OK and not-so-OK uses of <1cm porcelain slabs; making sure that water hits the right spots when fabricating to stave off silicosis.
Waterjet takes an even-larger slice of the porcelain-slab fabrication market. Also, a look at the downturn in travertine use
Natural stone is a great poolside companion for coping and decking. And, check U.S. hard-surface supply with interactive maps.