| Mineral | Powellite |
|---|---|
| Formula | Ca(MoO4) |
| Crystal Form | Tetragonal/Dipyramidal [4/m] |
| Cleavage | Poor/Indistinct on {112},{001},{001} |
| Color | Yellow, Straw-yellow, Yellow-brown, Brown, Gray, Blue, Black, Colorless |
| Density | 4.3 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Irregular/Uneven |
| Hardness | 3.5 - 4.0 |
| Lustre | Sub-adamantine, Resinous, Pearly |
| Streak | Light yellow |
| Dana 8 Class | 48.1.2.2 |
| Strunz Class | 6/G.01-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 291 |