Hematite is a mineral made primarily of iron oxide, giving it a metallic luster and a reddish-brown color. It is commonly found in sedimentary rocks and is often used as a source of iron for various industrial applications. Hematite can also be polished into beautiful gemstones, making it popular in jewelry. In addition to its industrial uses, hematite has a rich history in ancient cultures. Many civilizations, including the Egyptians and Native Americans, used hematite for its supposed healing properties and as a pigment in art. Today, it continues to be valued for both its beauty and its practical applications.