Chalcocite: Difference between revisions
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JeffEvarts (talk | contribs) (Created page with "{{Ore |freq=common |hardness=3.5 |density=4.1 |chemf=Cu2S |calctemp=666 |m1=Cu |calcprod=CuO }} Chalcocite, along with malachite and azurite is a primary ore of copp...") |
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Latest revision as of 20:56, 18 July 2020
| Frequency | common |
|---|---|
| Hardness | 3.5 |
| Density | 4.1 |
| Chemical Formula | Cu2S |
| Core Elements | Cu |
| Thermal Decomposition | Cu2S
666°C CuO |
Chalcocite, along with malachite and azurite is a primary ore of copper. It is a mixture of different copper-sulfur compounds, with occasional iron substitutions. Copper-sulfur proportions include 9:5 (digenite), 6:4 or 5:4 (bornite), 2:1 (chalcocite) and 1:1 (covellite).
See Also
- covellite (CuS)