| Mineral | Roedderite |
|---|---|
| Formula | (Na,K)2(Mg,Fe)5Si12O30 |
| Crystal Form | Hexagonal/Ditrigonal Dipyramidal [6m2] |
| Cleavage | None |
| Color | Colorless, blue, yellowish to reddish brown |
| Density | 2.6 – 2.6 g/cm3 |
| Diaphaneity | Transparent to translucent |
| Hardness | 5.0 - 6.0 |
| Lustre | Vitreous |
| Streak | White |
| Dana 8 Class | 63.2.1a.14 |
| Strunz Class | 8/E.22-40 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 250 |