Cerussite
Formula | PbCO3 |
Origin | Tsumeb (Namibia) |
Description | transparent Cerussite |
Classification (Lapis) | Carbonates |
Crystal System | Orthorhombic |
Hardness | 3,0 – 3,5 |
Colour | Colorless, white, pale yellow, smoky to dark gray, black with inclusions; colorless in transmitted light |
Streak | White |
Luminescence | |
Lustre | vitreous |
Transparency (Opacity) | Transparent to translucent |
Cleavage | Good |
Fracture | Conchoidal |
Magnetism | not magnetic |
Geological Setting | Common in the oxidized zone of lead deposits |
Specific Gravity | 6,55 g/cm3 |