| Mineral | Bobcookite |
|---|---|
| Formula | NaAl(UO2)2(SO4)4 · 18H2O |
| Crystal Form | Triclinic/Pinacoidal [1] |
| Cleavage | None Observed |
| Color | Lime green to greenish-yellow |
| Density | 2.7 – 0.0 g/cm3 |
| Fracture | Conchoidal |
| Hardness | 2.5 - |
| Lustre | Vitreous |
| Streak | Very pale yellowish green |
| Type Loc. | Blue Lizard Mine, Red Canyon Dist., San Juan Co., UT, USA |
| Strunz Class | 7.EB |
| Mindat | mindat.org |
| ID | 524 |