chalcocite in English

noun
1
cuprous sulfide, an ore of copper, usually occurring as black, fine-grained masses.
Numerous fissure veins and fracture planes were present that contained brittle arsenical copper and chalcocite .
noun
    copper glance

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Below are sample sentences containing the word "chalcocite" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "chalcocite", or refer to the context using the word "chalcocite" in the English Dictionary.

1. Bornite commonly occurs with other copper sulphide minerals such as chalcocite and weathers, or “oxidizes”, to malachite

2. Energy band structure calculation results suggest that the covellite, Bornite, chalcocite, and chalcopyrite are narrowband semiconductors, having metal characteristic

3. Chalcopyrite and Bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits.

4. Chalcopyrite and Bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits

5. C) Briartite-type phase (Bri) in close association with catamarcaite (Ct) lining a cavity in massive bornite (Bn) – chalcocite (Cc) ore; Sp is sphalerite (sample PR/C2)

6. The copper sulphides (chalcocite, bornite with accessory chalcopyrite and pyrite) and associated minerals (chlorites, sericite, albite, epidote, quartz) crystallized during the cooling of the ignimbrite and were included in pyromeride textures.

7. Fe-Cu sulfides in the veins were precipitated in two stages, early pyrite (PI) and chalcopyrite were altered to secondary chalcocite, bornite and digenite and a second generation of pyrite (PII and PIII).