К минералам

RRUFF #4919

Aegirine-augite

(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6

Элементы:CaNaFeMgSiO
Valence:CaNaFe^3+MgFe^2+SiO

Химия

IMA chemistry:
(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6
Valence chemistry:
(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6

Классификация

Crystal systems:
monoclinic
Space groups:
C2, c
Structural group:
Pyroxene
IMA status:
Approved, Redefined

Происхождение

Country:
Russia
Published:
1892
Oldest age Ma:
2680
Paragenetic modes:
Abiotic, Biotic, Primary, Secondary, Stage 3a: Earth's earliest Hadean crust, PM7 - Ultramafic igneous rocks, Stage 4a: Earth's earliest continental crust, PM19 - Granitic intrusive rocks, PM23 - Subaerial alteration, PM26 - Hadean detrital minerals, Stage 4b: Highly evolved igneous rocks, PM35 - Ultra-alkali and agpaitic igneous rocks, PM36 - Carbonatites & kimberlites, Stage 5: Initiation of plate tectonics, PM39 - High-P metamorphism, PM40 - Regional metamorphism, Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere, PM51 - Pyrometamorphic minerals

Примечания

Status notes:
Rosenbusch H (1892) Mineralien des monoklinen Krystallsystems. Gruppe der monoklinen Pyroxene. in Mikroskopische Physiographie der Petrographisch Wichtigen Mineralien E.Schweizerbart'sche Verlagshandlung (E. Koch) (Stuttgart) 510-539 Redefined: Morimoto N (1988) Nomenclature of pyroxenes. Mineralogical Magazine 52, 535-550