Zillow CEO Spencer Rascoff, shown in his downtown Seattle office, says Zestimates are a good starting point but that nationwide Zestimates have a median error rate of about 8%.
What is Granite? Granite is a light-colored igneous rock with grains large enough to be visible with the unaided eye. It forms from the slow crystallization of magma below Earth's surface. Granite is composed mainly of quartz and feldspar with minor amounts of mica, amphiboles, and other minerals.
Granite Tiles. Granite is an igneous rock, which means it was once molten and formed as it cooled deep within the earth. Minerals within granite typically appear as small flecks throughout the stone, once creating a salt and pepper look.Other types have veining similar to marble.Granite is a dense-grained, hard stone.It can be highly polished or finished in a variety of other ways. A broad spectrum of color is available.inerals within granite typically appear as small flecks throughout the stone, once creating a salt and pepper look. Other types have veining similar to marble. Granite is a dense-grained, hard stone. It can be highly polished or finished in a variety of other ways. A broad spectrum of color is available.