Galena or galena is a natural mineral that contains lead sulfide (PbS). China is the largest producer and exporter of galena in the world. Iran has important galena mines and is known as one of the largest galena producers in the region. The supply and demand market of galena for lead production in West Asian countries is influenced by various factors. A mineral ore refers to a naturally occurring rock or sediment that contains valuable minerals or elements that can be extracted and processed for various purposes. Mineral ores are economically valuable due to the presence of valuable minerals or metals. The Middle East is globally recognized for its abundant oil and gas reserves, which are major contributors to the region's mineral trade. Bauxite is the primary source of aluminum and is used in the production of various aluminum products. By being able to identify ore minerals accurately, a minerals merchant can assess the quality of the minerals they are dealing with. Mauritania is located in West Africa and is bordered by Algeria to the north, Mali to the east and southeast, Senegal to the south, and the Atlantic Ocean to the west. Its capital is Nouakchott. This country has a republican government and its political system includes the president and the parliament. Also, in 2017, changes were made to the Mauritanian constitution that led to changes in the system of government that transitioned from military rule to civilian rule. The unit of currency of Mauritania is Ogoia (MRU).