释义 |
Definition of chalcocite in US English: chalcocitenounˈkalkəˌsītˈkalkəˌsīt Cuprous sulfide, an ore of copper, usually occurring as black, fine-grained masses. Chemical formula: Cu₂S Example sentencesExamples - Cuprite occurred along with chalcocite as inclusions in small calcite crystals.
- Numerous fissure veins and fracture planes were present that contained brittle arsenical copper and chalcocite.
- Some specimen labels state that this coating is chalcocite, but, to the best of my knowledge, the identity has not been established by analysis.
- At the Kingston mine, calcite occurred as thin massive veins cutting the lode and as modified rhombohedral crystals to 7 mm with inclusions of cuprite and chalcocite.
- We have seen sooty black material associated with native copper from the Eagle mine that is almost certainly chalcocite.
Definition of chalcocite in US English: chalcocitenounˈkalkəˌsīt Cuprous sulfide, an ore of copper, usually occurring as black, fine-grained masses. Chemical formula: Cu₂S Example sentencesExamples - Some specimen labels state that this coating is chalcocite, but, to the best of my knowledge, the identity has not been established by analysis.
- Cuprite occurred along with chalcocite as inclusions in small calcite crystals.
- We have seen sooty black material associated with native copper from the Eagle mine that is almost certainly chalcocite.
- Numerous fissure veins and fracture planes were present that contained brittle arsenical copper and chalcocite.
- At the Kingston mine, calcite occurred as thin massive veins cutting the lode and as modified rhombohedral crystals to 7 mm with inclusions of cuprite and chalcocite.
|