What is another word for Melanterite?
Pronunciation: [mˈɛlantəɹˌa͡ɪt] (IPA) 
Melanterite, a mineral also known as green vitriol or copperas, has several synonyms used by scientists and geologists. These synonyms include ferrous sulfate, iron(II) sulfate, copperas, and vitriol of Mars. The name ferrous sulfate refers to the mineral's composition, which consists of iron and sulfur. The name copperas refers to its use in the past as a source of iron for dyeing cloth. Vitriol of Mars refers to the Roman god of war, Mars, and the mineral's reddish-brown color. These synonyms are commonly used to describe the same mineral with different names depending on its properties or historical uses.
