La Unión. Mineralogía

The deposits of the mining Sierra de Cartagena - La Unión, Murcia, Spain, have been exploited since prehistoric times. In addition to the main minerals exploited (galena, sphalerite) there are also other interesting ones, such as amethyst, ludlamite, vivianite, crosntedtite, and notable examples of calcite, barite and gypsum.