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Muscovite-biotite granite

A rock subtype
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A granite containing both muscovite and biotite.


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Unique IdentifiersHide

Mindat ID:
51011
Long-form identifier:
mindat:1:1:51011:4

Classification of Muscovite-biotite graniteHide

QAPF_P_3.png

Granite is in section 3 of the QAPF diagram.

Mineralogy of Muscovite-biotite graniteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mica > MuscoviteKAl2(AlSi3O10)(OH)2
Silica > QuartzSiO2

Synonyms of Muscovite-biotite graniteHide

Internet Links for Muscovite-biotite graniteHide

References for Muscovite-biotite graniteHide

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