| Mineral | Aegirine |
|---|---|
| Formula | NaFe3+(Si2O6) |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | [110] Good |
| Color | Dark green to Greenish black, Reddish brown, Black |
| Density | 3.5 – 3.6 g/cm3 |
| Diaphaneity | Translucent to Opaque |
| Fracture | Uneven |
| Hardness | 6.0 |
| Lustre | Vitreous to Slightly resinous |
| Streak | Pale yellowish gray |
| Type Loc. | Låven, Langesundsfjorden, Larvik, Vestfold, Norway |
| Dana 8 Class | 65.1.3c.2 |
| Strunz Class | VIII/F.01-140 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 157 |