Good to know about granite
Natural igneous stone, very hard and heat resistant. Re-seal once or twice a year.
Hot pots: YesSealing: 1-2x a yearScratches: Very resistant
Good to know about quartz
Engineered stone, over 90% natural quartz with resins. No sealing needed. Use trivets, it is not heat resistant like granite.
Hot pots: Use trivetsSealing: NeverStains: Very resistant
Good to know about quartzite
Natural stone with marble looks. Mohs 7, does not etch from kitchen acids like lemon or vinegar. Porosity varies by stone.
Hot pots: YesSealing: Varies by stoneAcids: Does not etch
Good to know about marble
Natural metamorphic stone, softer than granite. Etches from acids and needs periodic sealing; loved for baths, fireplaces and baking.
Hot pots: YesSealing: RegularlyAcids: Can etch