Smithsonite
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| Frequency | rare |
|---|---|
| Hardness | 4.5 |
| Density | 4.4 |
| Chemical Formula | ZnCO3 |
| Core Elements | Zn |
| Thermal Decomposition | ZnCO3
400-900°C ZnO |
Smithsonite, along with Hemimorphite are primary ores of zinc
See Also
- [The Calcination of Zinc Carbonate]
by William P Simpson
Metallurgical and Chemical Engineering
Vol 15, Jan 1 1916. McGraw Hill