| Mineral | Eudialyte |
|---|---|
| Formula | Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2 |
| Crystal Form | Trigonal/Hexagonal Scalenohedral [3 2/m] |
| Cleavage | Perfect to indistinct on {0001}, imperfect on {11-20} |
| Color | Carmine-red, orange-red, orange, pink, cherry-red, brownish-red, yellowish-brown, brown, yellow, violet, green |
| Density | 2.7 – 3.1 g/cm3 |
| Diaphaneity | Translucent |
| Fracture | Irregular/Uneven |
| Hardness | 5.0 - 6.0 |
| Lustre | Vitreous, Dull |
| Streak | White to pale pink |
| Dana 8 Class | 64.1.1.1 |
| Strunz Class | 8/E.23-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 300 |