Eskolaite is a rare mineral that primarily consists of chromium oxide. It is known for its striking red to brown color and is often found in metamorphic rocks. Eskolaite typically forms in high-temperature environments and is associated with other minerals like chromite and magnetite. This mineral is named after the Finnish geologist Pentti Eskola, who made significant contributions to the study of metamorphic rocks. Eskolaite is not commonly used in industrial applications but is of interest to mineral collectors and geologists due to its unique properties and formation conditions.