another term for covellite
Example sentencesExamples
- He thought the material could be a mixture of sphalerite and covelline.
- It also occurs separately with allactite and altered covelline.
- Minor zones of covelline and bornite have also been detected.
- Minor amounts of chalcopyrite (yellow, bottom centre) are replaced by covelline.
- Native gold is present; and covelline and limonite are secondary minerals.