Aegyrite

Structural context

Aegirine
Crystal System monoclinicCrystal Class prismaticSpace Group C2/c

Chemical context

Stoichiometric formulas

Aegirine
mindat.org
  • March 13, 2023NaFe3+Si2O6
IMA
  • March 13, 2023NaFe3+Si2O6
mineralogy.rocks
  • Aug. 30, 2022NaFe3+Si2O6

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • dark green
  • greenish black
  • reddish brown
Color noteOriginal color note from the source
Dark green to greenish black, reddish brown, black
StreakStreak entities, recognized using a custom trained NER model
  • pale yellowish grey
Streak noteOriginal streak note from the source
Pale yellowish grey
Lustre
Vitreous
Fracture
Irregular/Uneven
Transparency
Transparent
Opaque
Tenacity
brittle
Hardness
6
Measured density
3.5—3.6
Calculated density
3.576