Aegirine
IMA number:IMA1998 s.p.Database ID:790
Изображения
4 изображений
IMA chemistry
NaFe3+Si2O6
Valence chemistry
NaFe3+Si2O6
Классификация
Crystal systems
Моноклинная
Space groups
C2, c
IMA symbol
Aeg
IMA status
Approved
Structural group
Pyroxene
Status notes
Berzelius J (1835) [Untitled note on aegirine]. Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde 1835, 184-185
Country
Norway
Published
1835
Oldest age Ma
2 613
Paragenetic modes
AbioticBioticPrimarySecondaryStage 3a: Earth's earliest Hadean crustPM7 - Ultramafic igneous rocksStage 4a: Earth's earliest continental crustPM19 - Granitic intrusive rocksPM23 - Subaerial alterationPM26 - Hadean detrital mineralsStage 4b: Highly evolved igneous rocksPM35 - Ultra-alkali and agpaitic igneous rocksPM36 - Carbonatites & kimberlitesStage 5: Initiation of plate tectonicsPM39 - High-P metamorphismPM40 - Regional metamorphismStage 10a: Neoproterozoic oxygenation/terrestrial biospherePM51 - Pyrometamorphic minerals