Granite can't take the heat? Huh?!?
One of the reasons for granite as a countertop material is that it CAN take the heat of a 400º pan without a problem...
HowStuffWorks "How Granite Countertops Work"
... Formed ov*er millions of years from compressed molten rock under the Earth's surface, granite is extremely hard and durable.
With its heat-resistant qualities, granite doesn't blister; it's also unlikely to scratch or chip. When used for kitchen countertops, it's far superior to marble, synthetic and laminate...
Granite is porous, and it will stain if you place oil on it.