an indigo-blue copper sulphide ore, often referred to as blue copper or indigo copper
Examples of 'covellite' in a sentence
covellite
The other minerals are silver, azurite, covellite, pyrite, marcasite, and chalcopyrite.
Bhakti Hamonangan Harahap, Hamdan Zainal Abidin, Wahyu Gunawan, Rum Yuniarni 2015, 'Genesis of Pb-Zn-Cu-Ag Deposits within Permian Carboniferous-Carbonate Rocks in MadinaRegency, North Sumatra', Indonesian Journal on Geosciencehttps://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/209. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Alunite and kaolinite replaced sericite, accompanied with covellite, digenite, enargite, and tennantite replacing chalcopyrite and bornite.
Yang Song, Chao Yang, Shaogang Wei, Huanhuan Yang, Xiang Fang, Hongtao Lu 2018, 'Tectonic Control, Reconstruction and Preservation of the Tiegelongnan Porphyry andEpithermal Overprinting Cu (Au) Deposit, Central Tibet, China', Mineralshttp://www.mdpi.com/2075-163X/8/9/398. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The ore mineralogy typically includes hypogene chalcopyrite, sphalerite, galena, and pyrite, with locally supergene covellite, malachite, and azurite.
Mustafa Kumral, Amr Abdelnasser, Murat Budakoglu 2016, 'Geochemistry of Hydrothermal Alteration Associated with Cenozoic Intrusion-HostedCu-Pb-Zn Mineralization at Tavşanlı Area, Kütahya, NW Turkey', Mineralshttp://www.mdpi.com/2075-163X/6/1/13. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Barite, quartz and galena are main minerals and are accompanied by minor amounts of sphalerite,pyrite, chalcopyrite, covellite and marcasite.
Gülcan BOZKAYA, David A. BANKS 2016, 'Sulfur isotope geochemistry and mineralogy of Balcilar vein type barite-sulphide mineralization,Biga peninsula, NW Turkey', Pamukkale University Journal of Engineering Scienceshttp://dergipark.ulakbim.gov.tr/pajes/article/view/5000195484. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)