Mineral formation is the process by which minerals are created in nature. This process typically involves the precipitation of minerals from hydrothermal fluids, the cooling and solidification of molten rock, or the evaporation of water containing dissolved minerals. Minerals can also form through biological processes such as biomineralization. Understanding how minerals form is important for various fields including geology, materials science, and environmental science. Studying mineral formation can provide insights into the Earth's history, the formation of valuable mineral deposits, and the potential impacts of human activities on mineral formation and distribution.