Countertop choices for sun and hot pans

The faint pop from a countertop when a hot pan comes straight off the burner is the sound of stress, and the figures kept at scottsdale kitchen remodeling lista stofan treat heat and sunlight as the two tests a surface in a Scottsdale kitchen has to pass. A kitchen in Scottsdale, AZ takes more of both than most places in the country.
Granite and the hot pan

Natural granite, quarried far from Maricopa County, shrugs off a pan at cooking temperature because it formed under heat and pressure. What it does not shrug off is a thin place. A sink cutout or a cooktop opening that leaves two or three inches of stone on one side can crack under stress, and the crack often shows weeks later. A fabricator should leave a wide bridge of stone at every cutout and round the inside corners.
Quartz resin and the window

Engineered quartz is mostly crushed stone held by a resin. The resin softens under high heat and can mark under a pot, and some lighter colors yellow when a big window floods them with ultraviolet light for years in the Sonoran Desert. In Scottsdale, AZ a slab beside a west facing slider is the place that shows it first. Ask the supplier whether the product is rated for high light use, and keep trivets near the range.
Solid surface and its trade-off
Solid surface material can be sanded to remove a burn mark or a scratch, which matters in a rental or a long ownership. It scorches more easily than stone, so a hot pan needs a pad. The seams disappear when they are done well, and that is a labor question rather than a material one.
Seams and where they fall
Every slab has a limit on length, so an L shaped kitchen will have a seam. Seams belong in the straight run, away from the sink and the cooktop, and they should land over solid cabinet structure, not over a gap. Walk the template with the fabricator and mark the seam in pencil on the layout before any stone is cut.
Edge profiles that suit the work
A sharp square edge chips at the corner when a heavy pan swings against it. A slight eased or bullnose edge holds up better, and a thick mitered edge looks heavier without adding strength. A homeowner in the Phoenix metropolitan area who cooks daily, whether near Camelback Mountain or the McDowell Mountains, should hold a sample edge in the hand and bump it with a pot lid before deciding.
Sealing and cleaning
Granite and some marbles take a penetrating sealer, and the water drop test tells whether it is time: a bead means sealed, a dark spot means open. Quartz needs no sealer. Neither wants an acid cleaner, and gentle soap and a soft cloth do most of the work through the dusty season.