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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 Caribbean is a region of the Americas that comprises the Caribbean Sea, its surrounding coasts, and its islands (some of which lie within the Caribbean Sea and some of which lie on the edge of the Caribbean Sea where it borders the North Atlantic Ocean). The region lies southeast of the Gulf of Mexico and of the North American mainland, east of Central America, and north of South America. The region, situated largely on the Caribbean Plate, has more than 700 islands, islets, reefs and cays (see the list of Caribbean islands). Countries in Caribbean are Antigua, Barbuda, The Bahamas, Barbados, Belize, Dominica, Grenada, Guyana, Haiti, Jamaica, Montserrat, Saint Kitts, Nevis, Saint Lucia, Saint Vincent, the Grenadines, Suriname, Trinidad and Tobago.