* Quartz: Provides the glassy sparkle and contributes to the hardness.
* Feldspar: The most abundant mineral in granite, gives it its light color and can be pink, white, or gray.
* Mica: Creates the sparkly, platy flakes. There are two types: biotite (black) and muscovite (white).
* Amphibole: Usually black or dark green, can be present in smaller amounts.
These minerals are all formed within the Earth's crust, either from existing rocks undergoing metamorphism or through crystallization from molten rock.
So, to answer your question directly, granite is not *made* from other rocks, but rather it is formed from the crystallization of magma deep within the Earth. The individual minerals within granite are themselves the result of various geological processes, but the granite itself is a unique rock type created by the cooling and solidifying magma.
