👉 Turneraceous is a term that refers to an object or substance that has a reddish-brown coloration. It is often used in chemistry and physics to describe substances that have a chemical composition that is similar to iron, including iron oxides such as hematite. These minerals are known for their reddish-brown coloration due to the presence of iron oxides in them. The term "turneraceous" was coined by chemist Robert H. Turner in 1902