| Mineral | Ellingsenite |
|---|---|
| Formula | Na5Ca6Si18O38(OH)13 ยท 6H2O |
| Crystal Form | Triclinic/Pinacoidal [1] |
| Cleavage | Perfect on {001} |
| Color | Colorless, White |
| Density | 2.4 – 2.4 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Smooth |
| Hardness | 4.0 |
| Lustre | Vitreous, Silky |
| Streak | White |
| Type Loc. | Aris Quarries, Aris, Windhoek Dist, Khomas Rgn, Namibia |
| Strunz Class | 9.EE.35 |
| Mindat | mindat.org |
| ID | 395 |