| Mineral | Eckhardite |
|---|---|
| Formula | (Ca,Pb)Cu2+Te6+O5(H2O) |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | unknown |
| Color | Light bluish green |
| Density | 4.6 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Irregular |
| Hardness | 2.0 - 3.0 |
| Lustre | Vitreous, Sub-adamantine |
| Streak | Very pale bluish green |
| Type Loc. | Bird Nest drift, Otto Mtn., Baker, Soda Mts., Silver Lake Dist., San Bernardino Co., CA, USA |
| Mindat | mindat.org |
| ID | 343 |