Andradite garnet is a type of garnet mineral that belongs to the garnet group. It is named after the Brazilian mineralogist José Bonifácio de Andrada e Silva. Andradite garnet typically has a rich green or yellowish-green color, although it can also be brown, black, or even colorless. It is known for its high refractive index, which gives it excellent brilliance and dispersion, making it popular in jewelry. Andradite garnet can be found in various locations around the world, including Brazil, Russia, and the United States.