CIS minerals and mining tenders

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In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form. Minerals are classified by key chemical constituents; the two dominant systems are the Dana classification and the Strunz classification. Silicate minerals comprise approximately 90% of the Earth's crust. Other important mineral groups include the native elements, sulfides, oxides, halides, carbonates, sulfates, and phosphates. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.

The Commonwealth of Independent States (CIS) is a regional intergovernmental organization in Eastern Europe and Asia. It was formed following the dissolution of the Soviet Union in 1991. It covers an area of 20,368,759 km2 (7,864,422 sq mi) and has an estimated population of 239,796,010. The CIS encourages cooperation in economic, political and military affairs and has certain powers relating to the coordination of trade, finance, law making, and security. It has also promoted cooperation on cross-border crime prevention. Eight of the nine CIS member states participate in the CIS Free Trade Area. Three organizations originated from the CIS, namely the Collective Security Treaty Organization, the Eurasian Economic Union (alongside subdivisions, the Eurasian Customs Union and the Eurasian Economic Space); and the Union State. While the first and the second are military and economic alliances, the third aims to reach a supranational union of Russia and Belarus with a common government, flag, currency and so on. countries in cis region, Armenia, Azerbaijan, Belarus, Georgia, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan.