Hematite is a type of precious stone that consists of the group of iron oxides. Australia is one of the largest producers of hematite in the world. Iran has the largest reserves of hematite in West Asia. In the global market, competition between companies and producers of hematite is very high. 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. Tanzania is a country located in East Africa, sharing borders with Kenya, Uganda, Rwanda, Burundi, the Democratic Republic of the Congo, Zambia, Malawi, and Mozambique. The economy of Tanzania is composed of the agricultural, industrial, and services sectors. Tanzania is one of the largest agricultural producers in Africa. Over 80% of the active population in the country is engaged in the agricultural sector. Major crops produced include cereals such as maize, rice, and wheat, as well as dates, coffee, watermelon, potatoes, and tobacco.
