Galena
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| Frequency | common |
|---|---|
| Hardness | 3.5-4 |
| Density | 7.5 |
| Chemical Formula | PbS |
| Core Elements | Pb |
| Thermal Decomposition | PbS
600°C PbO |
Galena is the primary ore of lead. It is composed primarily of lead sulfide may also contain silver, arsenic, antimony, and bismuth.