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Pegmatitic granite

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A pegmatite of granite composition.


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Classification of Pegmatitic graniteHide

Granite is in section 3 of the QAPF diagram.

Mineralogy of Pegmatitic 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:
BerylBe3Al2(Si6O18)
MicaA petrological term for Mica Group.
TopazAl2(SiO4)(F,OH)2
TourmalineA(D3)G6(T6O18)(BO3)3X3Z

Synonyms of Pegmatitic graniteHide

References for Pegmatitic graniteHide

Reference List:
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Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press

Internet Links for Pegmatitic graniteHide

Mineral and/or Locality  
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