👉 Fahlunite is a mineral in the group of hematite (Fe2O3) and it is also known as iron oxide. It is primarily found in the rocks that are formed from the metamorphism of igneous or sedimentary rocks, such as quartz veins, which are often exposed in the ground. Fahlunite is composed of iron oxides with a high percentage of iron, and its color ranges from light brown to dark brown depending on its chemical composition. The mineral f
