What is another word for Fayalite?
Pronunciation: [fˈe͡ɪəlˌa͡ɪt] (IPA) 
Fayalite is a mineral that belongs to the olivine group and has the chemical formula Fe2SiO4. It is commonly found in igneous rocks and has a dark green or brownish-black color. There are several synonyms for fayalite, including iron olivine, iron orthosilicate, iron silicate, and Fe-rich forsterite. These terms are often used interchangeably in geology and mineralogy to refer to the same mineral. Fayalite has many important applications, such as in the production of steel and as a refractory material. It is also a popular material for jewelry making due to its unique color and durability.
