Fluorine-rich granite
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Classification of Fluorine-rich granite
Rock ➔ Igneous rock ➔ Normal crystalline igneous rock ➔ Coarse-grained ("plutonic") crystalline igneous rock ➔ Granitoid ➔ Granite ➔ Fluorine-rich granite
Granite is in section 3 of the QAPF diagram.
Mineralogy of Fluorine-rich granite
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspar > Alkali Feldspar | Feldspar Group minerals rich in Potassium or Sodium. |
| Silica > Quartz | SiO2 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Feldspar > Plagioclase | A petrological term for Albite-Anorthite Series. |
| Fluorite | CaF2 |
| Topaz | Al2(SiO4)(F,OH)2 |
Internet Links for Fluorine-rich granite
mindat.org URL:
https://www.mindat.org/min-50512.html
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