| Mineral | Heyite |
|---|---|
| Formula | Pb5Fe2+2(VO4)2O4 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Color | Marigold-orange, orange-brown; yellow-orange in transmitted light |
| Density | 4.0 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Irregular |
| Hardness | 6.3 |
| Lustre | Vitreous |
| Streak | Amber-yellow |
| Dana 8 Class | 41.2.2.1 |
| Strunz Class | 7/B.34-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 261 |