Tantalite is a mineral composed primarily of tantalum, a rare metal used in electronics and other high-tech applications. It is often found in granitic rocks and pegmatites, where it occurs alongside other minerals like columbite. Tantalite is important for its ability to withstand high temperatures and corrosion, making it valuable in the production of capacitors and other electronic components. The mineral is typically dark in color and has a high density. Tantalite is mined in various countries, including Australia, Brazil, and parts of Africa. Due to its rarity and the increasing demand for tantalum, the mining and trade of tantalite can have significant economic and environmental impacts.