Titanium (Ti) Ore | Minerals, Formation, Occurrence, Deposits
Titanium (Ti) Ore. Modified date: 23/04/2023. Titanium is a chemical element with the symbol Ti and atomic number 22. It is a lustrous, silver-grey transition metal known for its high strength, low density, and excellent corrosion resistance. Titanium is widely used in various industrial applications due to its unique properties.
Columbite | Niobium, Tantalum, Ore | Britannica
Tantalite is the principal ore of the metal tantalum. This article was most recently revised and updated by Amy Tikkanen. Columbite, hard, black (often iridescent), heavy oxide mineral of iron, manganese, and niobium, (Fe, Mn)Nb2O6. Tantalum atoms replace niobium atoms in the crystal structure to form the mineral tantalite, which is similar but ...
titanium
Ores and Compounds of Titanium. Titanium is the ninth most abundant element in Earth's crust. The chief ores combine the dioxide with other elements. Rutile (TiO 2) is a mass of red to brown crystals of the dioxide …
Quartz | Definition, Types, Uses, & Facts | Britannica
Quartz exists in two forms: (1) alpha-, or low, quartz, which is stable up to 573 °C (1,063 °F), and (2) beta-, or high, quartz, stable above 573 °C.The two are closely related, with only small movements of their constituent atoms during the alpha-beta transition. The structure of beta-quartz is hexagonal, with either a left- or right-handed …
Titanium | Geoscience Australia
Titanium is a lightweight, strong and rust-resistant silver-white metal. Pure titanium is quite soft but titanium alloys are extremely strong (even stronger than steel …
Laterite | Soil Formation, Tropical Climates & Weathering | Britannica
laterite, soil layer that is rich in iron oxide and derived from a wide variety of rocks weathering under strongly oxidizing and leaching conditions. It forms in tropical and subtropical regions where the climate is humid. Lateritic soils may contain clay minerals; but they tend to be silica-poor, for silica is leached out by waters passing ...
South Africa
Resources and power. South Africa is rich in a variety of minerals. In addition to diamonds and gold, the country also contains reserves of iron ore, platinum, manganese, chromium, copper, uranium, silver, beryllium, and titanium. No commercially exploitable deposits of petroleum have been found, but there are moderate quantities of natural gas ...
Plutonium | Radioactive Element, Nuclear Fuel | Britannica
plutonium (Pu), radioactive chemical element of the actinoid series of the periodic table, atomic number 94. It is the most important transuranium element because of its use as fuel in certain types of nuclear reactors and as an ingredient in nuclear weapons. Plutonium is a silvery metal that takes on a yellow tarnish in air.
Kerala
Kerala - Resources, Power, Agriculture: Kerala lacks major reserves of fossil fuels. However, there are moderate deposits of ilmenite (the principal ore of titanium), rutile (titanium dioxide), and monazite (a mineral consisting of cerium and thorium phosphates), all of which are found in beach sands. Other minerals include limestone, iron ores, and …
Tantalum | Rare Earth Element, Uses in Electronics & Alloys | Britannica
tantalum (Ta), chemical element, bright, very hard, silver-gray metal of Group 5 (Vb) of the periodic table, characterized by its high density, extremely high melting point, and excellent resistance to all acids except hydrofluoric at ordinary temperatures. Closely associated with niobium in ores and in properties, tantalum was discovered (1802 ...
Steel | Composition, Properties, Types, Grades, & Facts | Britannica
Iron has its bcc allotropy below 912° C (1,674° F) and from 1,394° C (2,541° F) up to its melting point of 1,538° C (2,800° F). Referred to as ferrite, iron in its bcc formation is also called alpha iron in the lower temperature range and delta iron in the higher temperature zone. Between 912° and 1,394° C iron is in its fcc order ...
titanium ore britannica
Of Titanium From Iron Ore - ekliefkrismis.co.za. titanium,vanadium and iron ore processing - … titanium processing -- Encyclopedia Britannica. Because its atomic diameter is similar to many common metals such as aluminum, iron, tin, and vanadium, ... 12% are crusher, and 8% are oxide. A wide variety of titanium ore price options are …
Titan arum | Description, Size, Flower, Life Cycle, & Facts
titan arum, ( Amorphophallus titanum ), herbaceous flowering plant of the arum family ( Araceae ), known for its massive foul-smelling inflorescence (cluster of flowers). The plant is endemic to the steep hillsides of rainforests in western Sumatra but is cultivated in botanic gardens worldwide. The unusual short-lived flower structure is the ...
Uranium | Definition, Properties, Uses, & Facts
Uranium, radioactive chemical element of the actinoid series of the periodic table, atomic number 92. It is an important nuclear fuel. It is a dense, hard metallic element that is silvery white in color. It is …
Sphalerite | Zinc Ore, Ore Mining & Ore Processing | Britannica
ore. wurtzite. sphalerite, zinc sulfide (ZnS), the chief ore mineral of zinc. It is found associated with galena in most important lead-zinc deposits. The name sphalerite is derived from a Greek word meaning "treacherous," an allusion to the ease with which the dark-coloured, opaque varieties are mistaken for galena (a valuable lead ore).
Zirconium | Chemical Element, Uses, & Properties …
The atomic radii of zirconium and hafnium are 1.45 and 1.44 Å, respectively, while the radii of the ions are Zr 4+, 0.74 Å, and Hf 4+, 0.75 Å.The virtual identity of atomic and ionic sizes, resulting from the …
Mining And Refining: Titanium, Our Youngest Industrial Metal
Electrodeoxidation of TiO2 in molten salt system is far more practical than thermite and will likely replace the kroll process in time. Anhydrous NaCl and CaCl2 salt (500 g in molar ratio 0.48:0. ...
Titanium processing
Titanium processing - Compounds, Alloys, Oxides: Titanium oxide is widely prized for its opaque quality in coatings, plastics, high-gloss paints, ceramics, industrial enamels, paper, and inks. The compound is nontoxic and is the most common white pigment in the world. Titanium carbide (TiC) is used extensively for cutting tools because of its combination of …
Rare-earth element
Rare-earth element - Minerals, Ores, Uses: The content of the individual rare-earth elements varies considerably from mineral to mineral and from deposit to deposit. The minerals and ores are generally classified as "light" or "heavy"; in the former group most of the elements present are the light-atomic-weight elements (i.e., lanthanum, cerium, …
Processing of Titanium and Titanium Alloys
Titanium metal passes through three major steps during processing from ore to finished product: reduction of titanium ore to sponge (porous form), melting of sponge and scrap to form ingot, and remelting and casting into finished shape.
Beryllium | Properties, Uses, & Facts | Britannica
Timothy P. Hanusa. Beryllium, chemical element that is the lightest member of the alkaline-earth metals of Group 2 of the periodic table. It is used in metallurgy as a hardening agent and in many outer space and nuclear applications. It is a steel-gray metal that is quite brittle at room temperature.
Sodium | Facts, Uses, & Properties | Britannica
sodium-22. sodium (Na), chemical element of the alkali metal group (Group 1 [Ia]) of the periodic table. Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the sixth most abundant element on Earth, comprising 2.8 percent of Earth's crust. It occurs abundantly in nature in compounds, especially common salt ...
Ore deposit | geology | Britannica
In chemical element: Ore deposits. An ore deposit, in its simplest terms, is a portion of the Earth's crust from which some industrial raw material can be extracted at a profit. As such, its characteristics are as much economic as geochemical. Nevertheless, its formation required the operation of….
Niobium processing | History, Ores, Mining, & Extraction | Britannica
aluminothermic process. process metallurgy. niobium processing, preparation of niobium ore for use in various products. Niobium (Nb) has a body-centred cubic (bcc) crystal structure and a melting point of 2,468 °C (4,474 °F). Of the refractory metals, it has the lowest density and best workability; for this reason, niobium-based alloys are ...
Tin processing | Extraction, Refining & Uses | Britannica
Tin processing, preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88 °C (449.38 °F), and a high boiling point of 2,625 °C (4,757 °F). Tin is
Aluminum | Uses, Properties, & Compounds | Britannica
aluminum (Al), chemical element, a lightweight silvery white metal of main Group 13 (IIIa, or boron group) of the periodic table. Aluminum is the most abundant metallic element in Earth 's crust and the most widely used nonferrous metal. Because of its chemical activity, aluminum never occurs in the metallic form in nature, but its …
Titanium processing | Technology, Methods, & Facts
Titanium (Ti): Titanium is the main element in titanium ore and is typically present as titanium dioxide (TiO2) in various mineral forms, such as ilmenite, rutile, and leucoxene. The titanium content in titanium …
Pyrite | Properties & Facts | Britannica
pyrite, a naturally occurring iron disulfide mineral. The name comes from the Greek word pyr, "fire," because pyrite emits sparks when struck by metal. Pyrite is called fool's gold; to the novice its colour is deceptively similar to that of a gold nugget. Nodules of pyrite have been found in prehistoric burial mounds, which suggests their ...
Sierra Leone
Sierra Leone - Resources, Power, Economy: Mineral resources are fairly well distributed and include diamonds, chromite, and reserves of rutile (titanium dioxide) that are among the world's largest. There are iron ore reserves, but these are no longer commercially mined. Other minerals include bauxite, columbite (a black mineral of iron, manganese, …
Rare-earth element | Uses, Properties, & Facts | Britannica
Collectively, the rare earths rank as the 22nd most abundant "element" (at the 68th percentile mark). The non- lanthanide rare-earth elements, yttrium and scandium, are 29th and 44th, respectively, in their abundances. Lanthanum and the light lanthanides (cerium through europium) are more abundant than the heavy lanthanides ( gadolinium ...
