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What is the difference between granite and marble?

2015-12-01 09:21:42 click:

Granite is a kind of magma below the surface condensation igneous rock is, the main ingredient is of feldspar, quartz and other minerals. Marble chemical formula CaCO3, earth's crust rocks in the lithosphere forms through action of high temperature and high pressure inside the earth's crust of metamorphic rocks. The difference lies in: chemical composition is different, form different.