For example: Aluminium occurs in earth's crust in the form of two minerals bauxite and clay. Chromite and magnetite are ore minerals that form in this way. The ores are extracted by mining for a profit from the earth; they are then refined (often by smelting) in order to extract the valuable … Ore is essential to iron and steel production. It is also used in … Justify. Economic uses of minerals: Gold is used in computers and other electronics. Some examples of ores or metals are listed below in tabular form – Liquid immiscibility: sulfide ores containing copper, nickel or platinum may form from this process. Gold, copper, silver, iron etc are some metal minerals. Leading producer of metallic minerals is Ontario. Emerald is the green gemstone variety of the mineral Beryl with the chemical formula Be 3 Al 2 (SiO 3) 6), beryllium aluminum silicate. All ores are minerals while all minerals are not ores as some of them might have a large amount of unwanted substances such as sand, stones and earthly impurities. The ores are extracted from the earth through mining and then refined to extract the valuable element. Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it worthwhile extracting them. The metal is extracted from its principal mineral ores by the Kroll and Hunter processes. For example, iron ore is used to make iron and steel. Most of the elements do not found in Free State because of their reactive tendencies. This is a list of minerals for which there are articles on Wikipedia.. Minerals are distinguished by various chemical and physical properties. Construction, machinery and transportation end uses account for most U.S. consumption of manganese. An ore is a natural occurrence of rock or sediment which contains enough minerals with economically important elements, typically metals, that can be extracted from the deposit economically. On extraction from the earth, these minerals are purified and isolated to produce the actual elements needed. A mineral from which metal can be economically extracted in a maximum amount is called an ore. Chrysocolla is a blue green silicate mineral with the chemical structure hydrated copper silicate and formula: ( Cu,Al) 2 H 2 Si 2 O 5 (OH) 4. nH 2 O. are minerals. For example, copper pyrite (CuFeS 2), calamine (ZnCO 3) etc. Major producers are South Africa, Australia, China, Gabon and Brazil. These minerals are inert and non-reactive and present in deep layers of earth or the oceans. Differences in chemical composition and crystal structure distinguish the various species.Within a mineral species there may be variation in physical properties or minor amounts of … Ores - definition An ore is a type of rock that contains sufficient minerals with important elements including metals that can be economically extracted from the rock. Minerals and Ores: Natural materials The Earth is the main source of minerals and ores. … Here, we providing a List of some Important metals and their ores. As a magma changes, parts of it may separate from the main body of magma. it is mainly useful for your upcoming competitive … Also used in the making of manganese ferroalloys. It is a minor ore of copper and is found associated … Manganese ore has not been produced in the U.S. since 1970. Uses of metallic minerals: Minerals which consists one or more than one metallic elements are called metallic minerals. 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