Sphalerite is a mineral that is used as the main source of zinc metal production. The Teresa mine is located in the state of Chihuahua in Mexico and is known as one of the largest sphalerite mines in the world. Iran is known as one of the largest producers of sphalerite in West Asia. The price of sphalerite is affected by factors such as supply and demand in the world market, changes in the steel industry and other metals. 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. Tunisia, as one of the North African countries, offers attractive opportunities for international trade. Geographically, it holds a strategic position, serving as a gateway to markets in North Africa and the European Union. Tunisia's market is diverse, encompassing sectors such as agriculture, energy, handicrafts, and technology. In the agricultural sector, Tunisia is one of the largest producers and exporters of olives and olive oil in the world. Citrus fruits and seafood are also among the country's key export items.