Nepheline sodalite-syenite
A rock subtype
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About Nepheline sodalite-syenite
Unique Identifiers
Mindat ID:
48349
Long-form identifier:
mindat:1:1:48349:4
GUID
(UUID V4):
(UUID V4):
50a6441c-e89b-4f62-8db2-01f860e4304c
Classification of Nepheline sodalite-syenite
- Rock
- Igneous rock
- Normal crystalline igneous rock
- Coarse-grained ("plutonic") crystalline igneous rock
- Foid-syenitoid
- Foid-syenite
- Sodalite-syenite
- Nepheline sodalite-syenite
- Sodalite-syenite
- Sodalite-syenitic-rock
- Sodalite-syenite
- Nepheline sodalite-syenite
- Sodalite-syenite
- Foid-syenite
- Foid-syenitoid
- Coarse-grained ("plutonic") crystalline igneous rock
- Normal crystalline igneous rock
- Igneous rock
Foid-syenite is in section 11 of the QAPF diagram.
Sub-divisions of Nepheline sodalite-syenite
- Nepheline sodalite-syenite
Mineralogy of Nepheline sodalite-syenite
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
Feldspathoid > Nepheline | Na3K(Al4Si4O16) |
Feldspathoid > Sodalite | Na4(Si3Al3)O12Cl |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > Hornblende | A commonly used informal name for dark green to black amphiboles, largely in the Hornblende Root Name ... |
Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Internet Links for Nepheline sodalite-syenite
mindat.org URL:
https://www.mindat.org/min-48349.html
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References for Nepheline sodalite-syenite
Reference List:
Ilímaussaq complex, Kujalleq, Greenland