Pyritic is a geological term that refers to materials or substances that contain iron sulfide minerals such as pyrite. Some synonyms for pyritic include sulfidic, pyritaceous, and pyritiferous. These terms describe the presence of pyrite in a material or substance. Pyrite is often present in sedimentary rocks, coal, and metallic ores, so it is important to understand the different terms used to refer to pyrite as it can have implications for mining and resource management. Other related terms include fool's gold, which describes the appearance of pyrite, and marcasite, which is a crystalline form of pyrite.