| Mineral | Ottoite |
|---|---|
| Formula | Pb2TeO5 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | [100] |
| Color | Yellow |
| Density | 8.7 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Irregular |
| Hardness | 3.0 |
| Lustre | Adamantine |
| Streak | Pale yellow |
| Type Loc. | Bird Nest drift, Otto Mtn., Baker, Soda Mts., Silver Lake Dist., San Bernardino Co., CA, USA |
| Mindat | mindat.org |
| ID | 344 |