What is another word for guettardite?
Pronunciation: [ɡˈɛtɑːdˌa͡ɪt] (IPA) 
Guettardite is a rare mineral composed of copper, iron, calcium, and sulfur. It was named after Jean-Étienne Guettard, a French geologist who contributed greatly to the study of the Earth's crust. While there are no direct synonyms for the word guettardite, some minerals share similar chemical compositions and characteristics such as bornite, covellite, and chalcocite. Bornite is a mineral that also contains copper and sulfur but is commonly found in igneous rocks. Covellite is a rare sulfide mineral made up of copper and sulfur. On the other hand, chalcocite is a copper sulfide mineral that is often produced as a secondary mineral of copper deposits.
