Granite and rhyolite are both igneous rocks formed from the cooling of molten material. They are similar in composition, consisting mainly of quartz, feldspar, and mica. However, they differ in grain size, with granite having larger grains due to slower cooling, whereas rhyolite has finer grains due to quicker cooling. Additionally, rhyolite is typically formed in volcanic settings, while granite is usually found in deeper, plutonic environments.
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