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Fluorine-rich granite

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A granite rich in fluorine, leading to the inclusion of minerals such as fluorite and topaz.


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Classification of Fluorine-rich graniteHide

Granite is in section 3 of the QAPF diagram.

Mineralogy of Fluorine-rich graniteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparFeldspar Group minerals rich in Potassium or Sodium.
Silica > QuartzSiO2
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Feldspar > PlagioclaseA petrological term for Albite-Anorthite Series.
FluoriteCaF2
TopazAl2(SiO4)(F,OH)2

Internet Links for Fluorine-rich graniteHide

Mineral and/or Locality  
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