If you're looking for a countertop option that is both beautiful and sustainable, you may be surprised to learn about one that comes straight from the volcanic ranges of France and Italy: lava stone. Volcanic rock, though perhaps an unlikely material for modern kitchens, is rising in popularity due to its unique beauty with all its natural imperfections, including natural cracks and striations. But it's also extremely customizable to glaze and fit a range of everyday kitchens, especially those with modern, sleek accents.