Granite
Granite is a plutonic rock is found throughout the continental crust, most commonly in mountainous areas (it is the most abundant type of rock). The matrix consists mainly of quartz grains (10-50%), potassium and sodium feldspar. The minor mineral are mainly muscovite and biotite mica and hornblende. Ryolite is a volcanic rock of similar chemistry.
Related Information
Links
| Materials |
Granite
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| URLs |
http://en.wikipedia.org/wiki/Granite
Granite at Wikipedia |
| Minerals |
Quartz
Quartz is the most abundant mineral on earth, it is the main crystalline mineral form of silica (SiO |
| Minerals |
K-Feldspar
Most common feldspars contain both sodium and potassium. The term K-Feldspar designates one where th |
| Minerals |
Na-Feldspar
Most common feldspars contain both sodium and potassium. The term Na-Feldspar designates one where t |
| Minerals |
Mica
See Muscovite. |
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