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Biotite gneiss

A rock subtype
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About Biotite gneissHide

A gneiss containing biotite mica as the major mafic component.


Unique IdentifiersHide

Mindat ID:
50224
Long-form identifier:
mindat:1:1:50224:9

Classification of Biotite gneissHide

Sub-divisions of Biotite gneissHide

Mineralogy of Biotite gneissHide

Essential minerals - these are minerals that are required within the classification of this rock:
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Other Language Names for Biotite gneissHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
17 photos of Biotite gneiss associated with Garnet GroupX3Z2(SiO4)3
10 photos of Biotite gneiss associated with Gneiss
8 photos of Biotite gneiss associated with QuartzSiO2
7 photos of Biotite gneiss associated with Migmatite
7 photos of Biotite gneiss associated with Migmatite and related rock
7 photos of Biotite gneiss associated with Paragneiss
7 photos of Biotite gneiss associated with PyriteFeS2
2 photos of Biotite gneiss associated with KyaniteAl2(SiO4)O
2 photos of Biotite gneiss associated with Feldspar Group
2 photos of Biotite gneiss associated with BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Internet Links for Biotite gneissHide

References for Biotite gneissHide

Reference List:
 
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