👉 Pyritaceous is a scientific term that refers to a group of minerals and rocks that are typically found in areas where there are high levels of iron, such as rivers or lakes. These minerals can be found in different forms, including felsic, olivine, and spinel, which are all types of pyrite. Pyrites is the most common form of pyritous mineral. The term "pyritaceous" is often used to describe rocks that contain a high concentration of iron
