Among the less important Spanish minerals are manganese (chiefly in Ciudad Real), antimony, gold, cobalt, sodic sulphate, sulphate of barium (barytes), phosphorite (found in Chceres), alum, sulphur, kaolin, lignite, asphalt, besides a variety of building and ornamental stones.
We are particularly interested in the sources of basaltic rocks and greenstones, including serpentine, nephrites and sodic pyroxenes (jades ).
We are particularly interested in the sources of basaltic rocks and greenstones, including serpentine, nephrites and sodic pyroxenes (jades).