Cancrinite-gabbro
A rock classification type
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Unique Identifiers
Mindat ID:
48373
Long-form identifier:
mindat:1:1:48373:1
GUID
(UUID V4):
(UUID V4):
1433b18d-093c-4e82-b3f9-502ef0b25a4f
Classification of Cancrinite-gabbro
Foid-gabbro is in section 14 of the QAPF diagram.
Mineralogy of Cancrinite-gabbro
Essential minerals - these are minerals that are required within the classification of this rock:
| Calcic plagioclase | A petrological term for plagioclase series feldspars dominant in calcium. |
| Feldspathoid > Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Mafic minerals | A petrological term for dark, rock-forming minerals rich in magnesium and/or iron. |
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 Cancrinite-gabbro
mindat.org URL:
https://www.mindat.org/min-48373.html
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References for Cancrinite-gabbro
Reference List:
