| Mineral | Thorneite |
|---|---|
| Formula | Pb6(Te6+2O10)(CO3)Cl2(H2O) |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | Good on {100} |
| Color | Lemon yellow (fresh), Yellow-orange (after exposure) |
| Density | 6.8 – 6.9 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Irregular to Splintery |
| Hardness | 2.0 |
| Lustre | Adamantine |
| Streak | Yellow |
| Type Loc. | Bird Nest drift, Otto Mtn., Baker, Soda Mts., Silver Lake Dist., San Bernardino Co., CA, USA |
| Dana 8 Class | 33.3.4 |
| Mindat | mindat.org |
| ID | 379 |